In a lab a substance was cooled by 42C over a 7 hours at a constant rate. What was the change in temperature each hour?

A kid wants to buy a book but it is 18$ the book is diconted to 15 % off but she still has to pay 6% taxes how much dose she pay.

Angle PQR and angle SQR form a linear pair. Find the sum of their measures.

You have planned activities of 30 minutes, 15 minutes, 1.5 hours, and. 75 hours. how many total hours of activity do you have planned?

A tank is in the shape of an inverted circular cone with height 500 ft and base radius 20 ft. It is filled with water to a height of 400 ft. Find the work required to empty the tank by pumping all of the water to the top of the tank.

A five card hand is dealt. What is the probability that the hand is all diamonds?

What is the sin 250° when expressed as a positive acute angle?

Identify the fraction as a proper improper and mixed however if the fraction is equivalent to one indicate so 7/3

What is 185 as a fraction on simplest form

Simplify the following, where k represents any integer: cos (2kpi-x) (-sin (2kpi-x)) a. - cosx*sinx b. (1/2) sin (2x) c. cos ((1/2) x) ^2 d. cos (x) ^2*sin (x) ^2 e. undefined

1. Solve the absolute value equation, if possible. If there is no solution, explain why. | 5x + 10| = - 7