Alex put $300 in an account for 6 months. The account earns 2.2% simple interest.

A) What is the interest earned?

B) What is the balance

John and Mary Smith plan to put a wooden fence around their yard in order to keep the mean cats away from their dog Fido. There is a gate that is 3.13 m long which is not included as part of the length of the fence.

Lisa is going to make a sculpture from a rectangular block of clay. The volume of the block is (2x - 1) (x - 3) (x + 4). Which statement about the volume of the block of clay is true? A.

At a country concert, the ratio of the number of boys to the number of girls is 2:7. If there are 250 more girls than boys, how many boys are at the concert?

Using data from 2010 and projected to 2020, the population of the United Kingdom (y, in millions) can be approximated by the equation 10.0y - 4.55x = 581 where x is the number of years after 2000. In what year is the population predicted to be 71.

A school's enrollment begins at 400 students. The enrollment grows at a rate of 1.6% per year. How many students will there be after 5 years?

Evaluate. 8 • [5 + (18 - 7) ] : 7

0.35 / ((2/3) x) = 0.45 / (x-10)

What is the gcf of 64 and 16

25% of what is 13? And how do you show your work?

In order to meet ADA (Americans with Disabilities Act) requirements, a wheelchair ramp must have an angle of elevation of no more than 4.8°. A builder needs to install a ramp to reach a door that is 2.5 feet off the ground.