Which best describes how to subtract 6.45 from 81.3?

A drug trial is testing the effectiveness of two drugs. If 80 patients are given Drug A, 10 patients are given Drug B, and 20 patients are given a placebo, what is the probability that a patient will NOT be given a placebo?

Allie worked for 1/12 hour on saturday for 3/4 hour on sunday. which number is a common denominator for 1/2 and 3/4

Sketch the [1123] and [1010] directions in a hexagonal unit cell.

Find the volume of the pyramid 8in 10in 6in

1,000 to the 4th power

When can a trapezoid also be called a parallelogram?

The capital of Australia was located

Gina rented shoes for 2.75 dollars she then bowled three games (2.50 dollars) and then brought nachos for 1.75. she used a coupon for 1/2 off the price for her bowling games. what was the total Cost before tax?

The sum of four consecutive integers is - 42. What are the integers?

You have 4/9 of cooking oil and you pour 3/5 of oil into a smaller. how much of the entire larger bottle did you pour into the smaller bottle?