Which shows 21/12 as a mixed number in simplest form

a. 6 1/4
b. 6 1/2
c. 6 2/4
d. 6 3/4

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.