A man's regular pay is $3 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid $216, how many hours of overtime did he work? 

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

What is coefficient of the term of degree of degree 5 in the polynomial below

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days