Which of the following are solutions to the the equation tan^2 (2x) - 1 = 0? Check all that apply.

A. pi/2

B. 3pi/8

C. pi/4

D. - pi/8

Abigail is baking a cake. She requires flour and sugar in the ratio 5:2. If she uses 2 1/2 kg of flour how much sugar is required?

A model of a famous statue is 2 and one half inches tall. The actual statue is 6 and one fourth feet tall. What is the ratio of the height of the model to the height of the actual statue in simplest form?

If f (x) = 6x + 7, solve for x when f (x) = 43

Find the largest number which divides 296 and 1250, leaving remainders 29 and 8 respectively

A recipe for krispy rice treats calls for 6 cups of rice cereal and 40 large marshmallows. You want to make a larger batch of goodies and have 9 cups of rice cereal.

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?

What is the product? - 3 4 2 - 5 3 - 2 1 0

Sahir took 1 h 22 min to do his english homework 45 min to do his maths homework, and 10 min to do his urdu. How long did he take to complete all his homework?

Y=3x-16 rate of change?

Julissa has 15 stamps and Ethan has 14 stamps. Pawel has three times the number of stamps as Julissa and Ethan combined. Julissa thinks that 100 is a reasonable estimate for the number of stamps that Pawel has.