Whats 7 to the power of negitive 2

Hollys garden is divided into 5 equal sections. She will fence the garden into 3 areas by grouping some equal sections together. What part of the garden could each fenced area be

It the Dolphin watch total cost was 151.32 for your family of 5, how much was he cost per person?

An online group loses 20 members over five months. What is the mean monthly change in group membership?

Jason's current yearly income is $13,000 ... If Jason's training will allow him to get a job making $34,000 a year, how long will it take him to recover his initial investment of $35,200?

Find the value of x in 4000 (1.5x) = 25,000. show all work

Analyzing a set of data

Does 9, 12, and 14 make a right triangle

Alan found 4 marbles to add to the 5 marbles in his collection. Then, he went to the store and tripled the number of marbles he had.

Which solid has two flat circle bases and a curved surface

Solve the equation for all real solutions. 15r2 - 6r - 3 = - 2r