Three years ago, Ava lent her sister $400 to buy some clothes. Today Ava's sister pay her loan in full with $454. What simple annual interest rate did she pay?

if 8 and 15 are two smallest values in a pythagorean triple, what is the largest value, c, in the triple

A lamp costs $87.75. If the sales tax is 8%, how much tax would be paid on this lamp?

What is the unit rate for 875.52 kilometers in 38.4 hours? Enter your answer, as a decimal, in the box.

You have 7/8 cup of sour cream to make tacos. If taco requieres 1/16 cup of sour cream, how many tacos can you make

Evaluate 64 to the one third power.

A preacher would like to establish that of people who pray, less than 80% pray for world peace. In random sample of 110 persons, 77 of them said that when they pray, they pray for world peace. Test at 10% level of significance.

Which choice describes a kite

What is the equation of a circle centered at the origin with a radius of 13

Find the Gcf using factors of 28 48 and 64

Researchers measured the speed and distance traveled by the Mini-Emperors down a 600-foot hill. They found that the penguins traveled at a constant rate of speed.