Please help.

Write an equation for the line. Use slope-intercept form, if possible.

Through (2, 0) and (-5, -9)

Write an equation for the line. Use slope-intercept form, if possible.

Through (0, 2), m = 3/5

Use a graphing calculator to solve the system of equations. Round your solution to one decimal place.

I keep not getting the any of these...

2.5x + 1.5y - 3.9z = 2.8

5.8x - 6.5y + 0.6z = -4.9

2.0x + 3.1y + 4.0z = 8.3

a. (1.7, 3.1, 0.9)

b. (3.4, 6.2, 1.7)

c. (0.4, 0.8, 0.2)

d. (0.9, 1.6, 0.4)

Provide an appropriate response.

If a system has four inequalities, the number of corner points of the feasible region must be?.

a. at least three, but not more than four

b. exactly four

c. exactly three

d. at least one, but not more than four

Wally's Warehouse sells trash compactors and microwaves. Wally has space for no more than 82 trash compactors and microwaves together. Trash compactors weigh 23 pounds and microwaves weigh 59 pounds. Wally is limited to a total of 8700 pounds for these items. The profit on a microwave is $99 and on a compactor $45. How many of each should Wally stock to maximize profit potential?

a. 1 trash compactor, 81 microwaves

b. 82 trash compactors, 1 microwave

c. 0 trash compactors, 81 microwaves

d. 0 trash compactors, 82 microwaves

A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.

It costs the company $1.98 to make each dog and $1.01 for each dinosaur. What is the company's minimum cost?

a. $151.5

b. $373

c. $347

d. $299

A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.

a. $151.5

b. $373

c. $347

d. $299

It costs the company $1.24 to make each dog and $1.50 for each dinosaur. The company wants to minimize its costs. What are the constants in the corresponding dual model?

a. 300, 700, 230

b. 1.24, 1.50

c. 1, 2

d. 4, 3