What is the greatest common factor of 21 and 65

There are 15 people in a party, including Hannah and Sarah. We divide the 15 people into 3 groups, where each group has 5 people. What is the probability that Hannah and Sarah are in the same group?

Write the equation you would need to solve to find the horizontal distance each beam is from the origin

Given: f = { (0, 1), (2, 4), (4, 6), (6, 8) } and g = { (2,5), (4,7), (5,8), (6,9), (7,5) } Complete the ordered pair below for the function shown. (4,?) 6/7 01 7/6

Each student in your class must do 14 homework problems. There are 23 students in the class. How many problems will your teacher have to grade?

The owner of a souvenir shop wants to order some custom printed mugs and t-shirts what is the price per t-shirt for 75 T-shirts if the t-shirts cost 637.50 dollars

Slope is - 2, and (4,3) is on the line

A particular personal trainer works primarily with track and field athletes. She believes that her clients run faster after going through her program for six weeks. How might she test that claim? Multiple Choice A hypothesis test for p1 - p2.

What is the slope of the line? 5 (y+2) = 4 (x-3)

Factor the expression. 9b^2-25

Given the equation p2 = a3, what is the orbital period, in days, for the planet venus? (venus is located 0.72 au from the sun?)