Solve this equation and show work
1/2d + 3/8 = -2d

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Fast! find the length of cu. the triangles are similar. show your work.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?