1. A coin collector has 38 dimes and nickels with a total face value of $2.90. (They are actually worth a lot more.) How many of each does she have?

a. Nickels?

b. Dimes?

2.How long should an escalator be if it is to make an angle of44with the floor and carry people a vertical distance of29feet between floors? (Round your answer to the nearest whole number.)

3.Find the remaining trigonometric functions ofif cos() = 3/2 andterminates inQIV

sin() = tan() = cot() = sec() = csc() =