Pedro buys 4 books at the fair for$7each what is the total amount pedro spends on4 books? Use the letter b to represent the total amount pedro spends and then solve the problem

A-4-5a=1-3a solve each equation

60,488 rounded to the nearest 10,000

What is the coefficient of 15ab 1/3

Write 2.96 as a mixed number or fraction.

A culture of 1.75*1018 bacteria is in petri dish A. A culture of 6.25*1015 bacteria is in petri dish B. How many times greater is the number of bacteria in petri dish A than petri dish B

In some country's congress, the number of representatives is 25 less than five times the number of senators. there are a total of 515 members. find the number of senators and the number of representatives.

one large cake can feed 12 adults or 16 children. how many cakes will be needed to feed 30 adults and 50 children

Using quarters, dimes, nickles and pennies how to make $1.53 in 12 coins

What figure has 4 sides & only one pair of parallel lines

What is 1,265 divided by 34