Mr. black class has a female student to male student ratio of 3:2. If Mr. Black's class has 18 girls, how many boys does he have? explain in writing how you determined your answer.

Which of the following functions represents a cell phone bill if there is a monthly charge of 20 dollars plus 6 cents for each minute of use? f (x) = 20 + 6x f (x) = 20.06x f (x) = 20 + 0.06x

Find all real numbers $t$ such that $/frac{2}{3} t - 1 < t + 7 / le - 2t + 15$. Give your answer as an interval.

What is the cube root for 326

The family size bottle of shampoo holds 10 fluid ounces (fl. oz.) of sunscreen. The regular bottle holds 70% percent less. How many fluid ounces does the regular bottle of shampoo hold?

Mr. Ishak is going to make a soil mixture of a potted plant. He will come by 21 ounces of dirt, 17 ounces of peat moss, and 9 ounces of perlite. Which shows the total weight of the soil mixture

Lee fifth grade class has 1.4 times as many students as Fred's. If there are a total of 60 students. How many students does Fred's class have? How many students does Lee's class have?

Is 5/8 equal to - 5/8

Place the following numbers in order from least to greatest. 3.2, 115%, 0.09, 5/12, 2/7

Study the steps used to solve the equation. Given: c/2-5=7 Step 1: c/2-5+5=7+5 Step 2: c/2+0=12 Step 3: c/2=12 Step 4: 2 (c/2) = 12 (2) Step 5: c=24 Choose the property that justifies each step of the solution.

Find the variance of 101, 102, 100, 100, 110, 109, 109, 108, 109