Troy has 83 coins, 47 are quarters. 75% of the remaining coins are nickels. How many nickels does Troy have?

a 9

b 27

c 36

d 42

The population of a city in 2300 was 25000. By 2010, the city's population had grown to 41600.

Which of the following are solutions to | x + 4 | = 3x-5

Robyn has a 2" wide board and a 1 1/2" wide board. She would like to cut the narrower board at an angle so the is 2" long and the boards will fit together. At what angle does she need to cut the board

How to solve a prime number maze

Students graphed the growth rate over several weeks of two plants in their classroom. The equations of both plants are given where x represents the time in weeks and y represents the heights of the plants in inches. Plant A: y = 1.8x + 3.

Karen and bill collect coins. Karen has x coins. Bill has 3 coins fewer than five times the number of coins Karen has.

Find the derivative of tan^-1 3x ... ?

Solve the equation a/6 = - 9

Lines m and n are parallel. Parallel lines m and n are cut by transversals s and t. Clockwise from top left, the angles formed by m and t are blank, blank, (5 x minus 1) degrees, blank; formed by m and s are blank, (9 x + 2) degrees, blank, 1;

The sides of an open lot are measured in feet. Which unit could you use to describe the area of the lot? A feet B cubic feet C square feet D yards