2a+b=15.7 what's the possible values of b

The sum of 2 numbers is 21 and their difference is 5

What is the difference? x/x^2-16 - 3/x-4 2 (x+6) (x+4) (x-4) -2 (x+6) (x+4) (x-4) X-3 (x+5) (x-4) -2 (x-6) (x+4) (x-4)

A large pizza pie with 15 slices is shared among 6 students. How many full slices of pizza can each student have?

What is the value of a in the given quadratic regression equation? Y=0.01071x^2+0.02214x+2.85743

A train ride covers a distance of 3 miles in 20 minutes what is the speed for the ride in miles per minute?

The square pyramid below has a height of 12 CM and a slant height of 20 cm the square base of the pyramid has side lengths of 32 CM what is the lateral area of the pyramid

The total volume of two spheres is 10π cubic units. The ratio of the areas is 4:9. What is the volume of the smaller sphere in cubic units?

On a biased dice the probability of rolling a 1 is 0.3 the dice is rolled 150 times how may ones do you expect to roll?

Quinton brought 40 cupcakes to school on his birthday. He gave a cupcake to each of the 18 students in Ms. Delmonts class. He also gave a cupcake to each of the 16 students in Mrs Donnelly's class. He also gave a cupcake to Ms.

michael started a savings account and after 3 weeks, he had $500 dollars, and after 7 weeks, he had $900. What is the rate of change of money in his savings account per week?