Factor each expression

1. 3n + 9

2. t² + 4t

3. 15 + 20x

Solve for x, y=3x^2 - x+1

Lena has some eggs. she uses 3/5of the eggs to make waffles and scrambled eggs. she uses 2/3 of the eggs she took to make waffles. What fraction of the total number of eggs does lena use to make waffles?

a close swimming pool is 15 ft wide and 31 ft long the club member want to exposed arrogant Border in a strip of uniform width around the pool they have enough material for 312 ft squared how wide can the strip be

Joyce paid $20.00 for an item at the store that was 75 percent off the original price. What was the original price? Give your answer to the nearest cent.

A study of the annual population of gray squirrels in a Texas state park shows the population, S (t), can be represented by the function S (t) = 273 (1.073) t, where the t represents the number of years since the study started.

What is the gcf of 28 and 70

What are the diameter and radius of a circle with a circumference of 32π ft? A. d = 16 ft r = 8 ft B. d = 32 ft r = 16 ft C. d = 16 ft r = 32 ft D. d = 8 ft r = 16 ft

Is 6/10 equal to 4/7

What is the minimum value of P=24x + 30y given the constraints

The cylinder shown has a volume of 54π cm3. In a similar cylinder, the dimensions have been doubled. What is the ratio of the volumes (small to large) ?