1+4=5,2+5=12,3+6=21,8+11=?

What is 48% of 72 time 3 divided by 9

A dartboard has a diameter of 12 inches. What are its radius and circumference? Round to the nearest hundredth. Use 3.14 for π. The radius is inches. The circumference is approximately inches.

What is the product? 2x (x - 4)

Find the volume of a room 15 feet by 16 feet with an 9-foot ceiling.

2+2*4-7*6-17*56 (4*23)

One in a thousand people are afflicted with the dreaded zigma disease. A pharmaceutical company develops a test for this disease and brags that only 5% of those with the disease test negative for it and 1% of those who do not have zigma will test

What is the rate of growth, as a percent, for the following function? D (x) = 23 (1.0032) x

How can i find the factors of 12 and 15, explain?

Jorge wants to buy new vinyl flooring for his kitchen. The kitchen floor is 12 feet by 15 feet. How many square yards is the floor?

3. In an auditorium, 1/6 of the students are fifth graders, 1/3 are fourth graders, and 1/4 of the remaining students are second graders. If there are 96 students in the auditorium, how many second graders are there?