15/55 in simplest form

The ratio of boys to girls in a class is 4:5 what fraction of teh class are boys

What is the common multiples of 5,3,8

What is the product? (-2d^2+s) (5d^2-6s) -10d^4+17d^2s^2-6s^2 -10d^4+17d^4s^2-6s^2 -10d^4+7d^2s-6s^2 -10d^4+17d^2s+6s^2

You arrive in my class 45 seconds after leaving math which is 90 meters away

A student would like to estimate the proportion of the senior class that plans to attend prom this year. The student goes to the guidance office and gets a list of the names of all 274 seniors.

Food high in B12 vitamin

Three numbers X, Y, and Z are in the ratio 2:7:8. If 12 is subtracted from Y, then three numbers form a geometric sequence (in the order X, Y-12, Z). Find X, Y, and Z.

arrange the following data in tabular from and then find the mode 50,40,50,70, 50 80,40,70,50,52,45,50,45,40,45.

A ratio in the simplest form is 7:9 if the antecedent is 105 find the consequent

What is 3/4 foot long x0.5