the area of a rectangle can be expressed by 2x^2-7x-4 if the rectangle has an area of 45 find the positive value for x

If Chris has 10 pencils how many pencils will he need to fill 20 desks

Bill Campbell gets a student rate for medical insurance of $25.00 a month. There is a $250 deductible. He recently received treatment for a covered condition. The bill was $2,350.

Nyala went to the store with a $20 bill. She bought a coloring book priced at $3.15, a drink for $0.96, and two candy bars that cost $1.23 each. There is no tax. How much change does Nyala receive after paying with her $20 bill? A) $6.57 B) $13.

There is a tournament in table tennis (ping-pong) in which 8 players take place. These are the rules of the tournament: 1) Each player plays with every other only 1 game.

A dime has the same value as 10 pennies. Marley brought 290 pennies to the bank. How many dimes did Narley get?

What is the converse of the statement if p, then q

Find the volume of a sphere that has a diameter of 40km

What is the length of the focal width x=-1/8y^2

Reese read twice as many pages Saturday night than she read Sunday night. If she read a total of 78 pages over the weekend, how many pages did Reese read Sunday night?

What is 7/9 rounded to the nearest 1/2