80 has how many significant digits?

How do I simplify this using distributive property - (-7y+z-3) ?

Gia opened two savings accounts as two different banks. One account earns an annual 3.4% simple interest, and the other earns half as much. If she deposited $500 in each account, how much total interest will she have earned in 5 years?

How do u factor out the coefficient 4h-3

Mike spent half of his allowance going to movies. He washed the family car and earn seven dollars. What is his weekly allowance if he ended with eighteen dollars? Show work.

4 thousands divided by 10

There are 8 Apples and some bananas on the counter. Someone buys 3 apples. Now there are 4 more bananas than apples. How many bananas are there?

You sold the most for your school's fundraiser so you get to enter the cash vault. There are $1, $5,$10 and $20 bills. The probability of picking a $1 bill is 48%, a $5 bill is 26%, a $20 bill is 10%. What is the probability of picking a $10 bill?

Factor out the greatest common factor from the polynomial 9x-27y+9=

What strategy would use to divide 36 by 6 explain why you chose that strategy

At a concert 5/9 of the people in line are girls. 2/3 are wearing glasses, what fraction of the people are wearing glasses?