8 15 27 blank 20 find the blank number

How do I solve 1/2 (x+4-21x-5) = 46

A total of 720 ppl attended the school basketball game. Adult tickets cost $2.50 each and student ticket costs $1.50 each. If $1220 worth of tickets were sold, how many students and how many adults attended?

If Shaun ate 2 apples and Donnalen ate 4 and they only had 17 apples and 1 orange how many fruits will they have left?

678,985,488 in expanded notation

During track practice Chris ran 2.5 laps and 81 seconds what was his average time per lap

The heights of fully grown English oak (also known as Brown oak) trees are normally distributed with a mean of 95 feet and a standard deviation of 10 feet. What proportion of fully grown English oak trees are taller than 110 feet?

Suppose that the proportions of blood phenotypes in a particular population are as follows: A B AB O 0.48 0.13 0.03 0.

Find three ratios equivalent to the ratio described in the situation. The ratio of cups of water to cups of milk in a recipe is 1 to 4. Three equivalent ratios are 2 to what number, 3 to what number, 4 to what number.

What is the cubed root of 5x?

Which of the following is the absolute value of 2+4i? A 2√2 B 2√3 C √6 D 2√5