The ratio of boys to girls in history class is 4 to 5. How many girls are in class if there are 12 boys in the class.

A rectangle is 3 1/3 ft long and 2 1/3 feet wide. What is the distance around the rectangle?

Suppose you start an annuity where you invest $2,000 at the beginning of each year and 4% interest is paid at the end of the year. What is the value of the annuity at the end of 5 years, rounded to the nearest dollar? It is $

Find the mean (average) of each set of numbers. Round your answer to the nearest tenth 11, 9, 2, 9, 6, 17

Carry out the following arithmetic operations. (Give your answers to the correct number of significant figures.) (a) the sum of the measured values 756, 37.2, 0.83, and 2

What is the prime factor of 85

Mrs Patterson class room has sixteen empty chairs all the chairs are occupied when every student is present if 2/5 of the student are absent how many make up her entire class

If r1, r2, and r3 represent rotations from Dn and f 1, f 2, and f 3 represent reflections from Dn, determine whether r1 r2 f 1 r3 f 2 f 3 r3 is a rotation or a reflection.

Write 16/19 as decimal rounded to the nearest tenth

Snowy's Snow Cones has a special bubble gum snow cone on sale. The cone is a regular snow cone that has a spherical piece of bubble gum nested at the bottom of the cone. The radius of the snow cone is 3 inches, and the height of the cone is 5 inches.

Vanessa buys a strip of 25 postage stamps the stamps is 21 7/8 inches long how long is it after Vanessa uses one stamp