What is the value of y in the equation 4(5y − 8 − 2) = 185 − 15? 8.5
9.7
10.5
42.5

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.