What does 9-20 equal

Suppose you arrange 50 counters into rows. The first row has 4 counters. Each row after that has 3 more counters than the row before. How many rows do you need to make to use all 50 counters? nothing rows

8/18 write fraction as decimal. Use bar notation if necessary

The price of a DVD is $19. The price is 12% lower than last week. What was the price of the DVD last week? Round your answer to the nearest cent. Enter your answer in the box.

What is the inverse of 5x+1/x-5

Six items purchased at a grocery store weighs 14000 grams. How much do the groceries weigh in pounds?

The base of a rectangle has a length of 4 inches and a diagonal has a length of 5 inches, Find the area of the rectangle

A ball is thrown from an initial height of 7 feet with an initial upward velocity of 28/fts. The ball's height h (in feet) after t seconds is given by the following. = h+7-28t16t2 Find all values of t for which the ball's height is 15 feet.

The sum of two twin primes is 60. What are the numbers

The product BxA equals

You have 90 minutes to complete atleast 18 chemistry and math problems. It takes 5 minutes to complet a chemistry problem and 4 minutes for each math problem. Which is a possible solution to this equation?