It took Marty 42 minutes to write a book report. Then he spent 18 minutes correcting his report. Explain how you can use mental math to find how lonc Marty spent on his book report.

Speed of Plane A = 450 mph. Speed of Plane B = 350 mph. Both planes leave from Kansas City at the same time. Plane A flies due West. Plane B flies due South. After 2.5 hours, how far is Plane A from Plane B? A. 1,425.0 B. 1,322.0 C. 1,258.5

Perform a hypothesis test for μ to answer the following question: In the 1950s, a study was completed on the weight of individuals (both men and women) who exercise several times per week. Their average weight was 68 kg.

What is the solution to 89 + k = - 42

Ian tosses a bone up in the air for his dog, Spot. The height, h, in feet, that Spot is above the ground at the time t seconds after she jumps for the bone can be represented by the function h (t) = -16t+20t.

Is 1.987987 a irrational number

What is the formula of statistics?

What is 75 divided by 18723 in long divison

Solve the equation 1.2m=0.6

Describe how to simplify the expression 3^-6/3^-4

Which equation is equivalent to log5x3 - logx2 = 2?