There are 60 marbles some blue some green. If the ratio from blue marbles to green marbles is 1:5 how many blue marble are there?

Round off 0.521 to one significan figure

A cone has the diameter of 15 inches and is 27 inches tall what is the volume for the cone?

Jude is making cement for a driveway. The instructions show the amount of each ingredient to make 1 batch of cement

A room attendant cleans 15 rooms in a shift consisting of 7 hours of work and 1 hour total of break time. what was this room attendant's cleaning time in minutes per room?

1) What is a good estimate for your monthly expenses on groceries? A) $ 56.75 B) $227.00 C) 113.50 D) $193.60 2) what is a good estimate for your month; y expenses on your car insurance a) 499.98 b) 249.99 c) 83.33 d) 999.

Acidity is measured on the pH scale. The acidity of a substance is given by pH=-logH, where H is the concentration of Hydrogen ions. If a substance has an H value of 0.0008, what is the pH of the substance, rounded to the nearest tenth?

Which value, when placed in the box, would result in a system of equations with infinity many solutions Y=2x-5 2y-4x =

What is the vertex of the graph of the function below y=x^2-8x+12

Is 34 over 35 greater than 0.6

You invested $300 in a savings account. the accpount pays 8% annual interest. how much money will be in the account after nine years?