Jack broke apart 5x 216 as (5x 200) + (5 * 16) to multiply mentally. What strategy did Jack use?

Explain why a commercial that says "80% of dentists use this toothpaste" might be misleading?

A cyclist bikes at a constant speed for 21 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 26 miles. Find his speed.

99/10 as a mixed number

Seiko has a total health insurance premium of $3298 annually. If her employer pays 90% of the premium, how much does she pay annually?

Consider circle C with radius 5 cm and a central angle measure of 60°

a sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. Determine the 99% confidence interval for the population mean.

Which of the following are properties of right triangles? 1. The square of the hypotenuse is equal to the sum of the squares of the other two sides 2.

21717 in expanded form

Which of the following statements describes circumscribing? Choose all correct answers. A) One figure is drawn around the other. B) One figure must be a circle. C) The figure on the inside circumscribes the figure on the outside.

Inverse operation for 20n=300