1. The distance needed to bring a truck to a stop varies directly as the square of its speed. If a truck travels at a speed of 55 mph it needs 79 feet to stop. What is the stopping distance of the truck traveling at 70 mph?

2. A principal of $7500 is invested in an account paying an annual rate of 5.5%. Find the amount in the account after 5 years if the account is compounded daily, quarterly, and monthly.

3. Find the slope of the line that passes through the points(6,-4) and (-4,-4)

4. The sum of two numbers is -62. Twice the first minus the second is 41. Find the numbers.

5. The width of a rectangle is 6 feet shorter than its length. If its perimeter is 82 feet, what is its width?

a)Write the number in scientific notation:4,345,000

b)Write the number in scientific notation:0.00095

c)Write the number in standard notation, without exponents:

d)Write the number in standard notation, without exponents: