25% of a circle with radius 4 has the same area as what percent of a circle with radius 8?

A 6.25%

B 12.5%

C 25%

D 37.5%

E 50%

Item 15 Question 1 An emperor penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height h (in inches) of a rockhopper penguin. Is your answer reasonable? Explain.

4. The volume of the ball is 3052.08. What is its radius?

What's the square root of 49 over 144

Compute the square footage of carpet needed to cover a room 12' 3" x 18' 4".

Which is the completely factored form of 18x4 - 42x3 + 24x2? 3x (3x - 4) (2x - 2) 3x2 (3x - 4) (2x - 2) 6x (3x - 4) (x - 1) 6x2 (3x - 4) (x - 1)

What does it mean if a quotient is undefined? (1.5/2.4) ?

What is the relationship between compound interest rates and continual growth

What is the measurement of the unknown fifth interior angle of this pentagon? A) 108° B) 114° C) 124° D) 129°

Joan has a cafe. Each day, she bakes 24 muffins. She gives away 3 and sells the rest. Each day, she also bakes 36 bagels. she gives away 4 and sells the rest.

Solve for x and y. 2y-7x=-9 and 4x+6=y