Jack spends 1 1/2 as long on his homework as Jill. Lask week, Jill spent 8 1/2 hours doing homework. How long did Jack spend doing homework?

Que son las figuras planas

Approximate the square root of 39

What is the simplified expression for 6 (2 (y + x)) ? A. 6y + 12x B. 12y + 12x C. 12y + 8x D. 8y + 8x

The area of a circle is 78.5 m2. Find the radius and diameter of the circle.

What are five ratios equivalent to 7:6

Find the slope of the line that passes through 10,5 and 2,2

Which algebraic expression models the given word phrase 6 times the sum of a and b

A parallelogram with an area of 211.41 m2 has a base that measures 24.3m. Find it's height

One type of firework splits 5 times after it is fired into the air. The number of new bursts after each split can be modeled by the function f (x) = 2x where x is the number of times the firework splits.

Considering only comparable fare classifications, which classifications offer the greatest percentage difference between air travel and ship travel? Travel Type Sample Round-Trip Fares from New York to London First-Class Air Fare $754.