I have a 5 in the ones place. when u add 30 to me, you get 55. what number am I? is it 25

Which of the following is a root of the polynomial function F (x) = x^4+2x^3-3x^2-6x?

Write the following sentence using mathematical symbols the quotient of N and 7 is 10 times n

How do I figure out 3x-r=r (-3+x)

Find the area of the shaded region: r=sqrt (theta) theta between 0 and - 3pi/2

Write 248,092 in word form

A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is (450-70t) dollars and the balance of the fundraising account is (275+48t) dollars. a.

A bookstore sold 1,250 books in a month. if 70% of the books the store sold were paperbacks, how many paperback books did the store sell in the month?

Estimate 102.3 divided by 4.7

A florist received a shipment of 16 dozen roses the original order was for 20 dozen what percentage of the order did not arrive?

The amount a babysitter earns is given by the equation y=7.5x where x is the number of hours and y is the amount earned in dollars. Is this relationship proportional?