2.5x + 8.5y=90 what is the number for x

A car was bought for £6700 and later sold for £4891. Calculate the percentage loss.

What are skew lines

The sum of three consecutive odd integers is 255. what are the integers

Q4: Michal and Rachel like to make funny hats. Michal has made 50 zebra-printed hats, and Rachel has made h striped hats. Together, they have made a total of 79 hats. Write an equation to describe this situation.

Jean did 17 sit ups on Monday, 19 sit ups on Tuesday, and 22 sit ups on Wednesday. If she continued at this rate, how many sit ups would she do on Sunday?

Can be expressed as the sum u=v+w, where v satisfies the initial conditions

A box of 100 computer chips contains eight defective chips. suppose we selected a random sample of 10 chips from that box. find the probability that the sample had: a. at least one defective chip b. all defective chips c. nine defective chips d.

What is the answer to this question 2 (3x-5) + 3 (2x+3)

If you place $1,000.00 in a savings account with an interest rate of 5.25%/month, how much should you earn in interest at the end of the month?

What is the value of expression 16 - (2+4) * 2