6r+7=13+7r

this is precalculus

If ava surveyed 350 people with 0.44 of respondents answering yes, then how many people anwered yes?

An observer (O) spots a plane flying at a 35° angle to his horizontal line of sight. If the plane is flying at an altitude of 17,000 ft., what is the distance (x) from the plane (P) to the observer (O) ?

What do number take away 7 gives you a equal of 10

What is the eqivalent expression for 3p+12m+8

What is the solution of the equation 53x = 15? Round your answer to the nearest ten-thousandth. A. 2.4662 B. 0.9542 C. 1.7829 D. 0.5609

Alex earned $20. he earned 1/4 of the amount rob earned. how much did rob earn? write an equation to match.

If jane buys two more sheets of poster board, how much does she spend all together?

Write the absolute value inequality in the form |x-b| |x-b|>c that has the solution set x7. Answer:

Miguel buys 100 feet of fence to enclose a rectangular area of his backyard so his dog run freely. What is the maximum area, in square feet, he can enclose

Call a household prosperous if its income exceeds $100,000. Call the household educated if the householder completed college. Let A be the event that a random household is prosperous and B the event that it is educated.