A 150 km trip was covered by a motorcycle going at an average speed of 75 km/h, by a bus doing 60 km/h, by a truck doing 50 km/h, and by a bicycle doing 20 km/h. What is the constant of variation?

Three numbers between 70 and 80 are prime numbers, what numbers are they

A landscaper is selecting two trees to plant. He has five to choose from. Three of the five are deciduous and two are evergreen. What is the probability that he chooses trees of two different types? Express your answer as a percent.

Sabrina is catering a friend's party. A pan of chicken will feed 28 guests and a tray of Turkey wraps will feed 42 guests. In total, the pans of food must feed at least 428 guests. Part A: Write an inequality to represent the situation.

If a person has 3 apples and he ate 2 how many apples are left

canstanza has 13 blue envelopes she has 3 fewer yellow envelopes then blue envelopes she has 7 times as many green envelopes as yellow envelopes how many envelopes does constanza have in all

What is 84/189 simplified?

How do you determine which place value to use when estimating products?

2x+3y=12 Complete the missing value in the solution to the equation.

Tj owes $13.80 for text messaging in the month of March. If his text messaging complain cost $9 for the first 550 text messages and. 20 for additional text messages how many text messages did he send that month?

Convert 35°24' dms to decimal form