Look at the pentagonal numbers. Use finite differences
to determine which function represents the pattern.
f(x) = 1.5x + 0.5x
f(x) = 1.5x2 + 1.5x
f(x) = 1.5x2 + 0.5x
f(x) = 0.5x2 +0.5x

How do you multiply a mixed fraction by a regular fraction

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )