Simplify the expression 3/2 (5/3) -1 1/4 + 1/2

Use the squared identities to simplify sin^2x cos^2x

Miguel has one foot of string. he cuts the string into fourths. how many inches is each piece of string?

Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint