The brain has 100 billion brain cells. If you counted each cell at 1 per second, how long would it take you to count all 100 billion cells?

Select the inequality that models the problem. The sum of two consecutive odd integers is at least 80. A: n + n + 2 ≥ 80 B: n + n + 2 > 80 C: n + n + 1 ≥ 80 D: n + n + 1 > 80

Give me three numbers greater than 20 that I have 9 as a factor

How much soup, to the nearest tenth of a cubic unit, can fit in a cylindrical can that is 8 inches tall and has a diameter of 6 inches? Use 3.14 for π.

A plumber $130 to start a job plus $56 per hour. How many hours did she work if the total bill is $214? This problem can be modeled with this equation: 130+56x=214 which operation should be preformed to isolate the variable term?

The numbers 2, 4, 6, and 8 are a set of four consecutive even numbers. Suppose the sum of five consecutive numbers is 320. What is the smallest of the five numbers?

Ye has his own business. He checks his sales receipts three times a day. One day, his afternoon sales eere $50 more than his morning sales, and his evening sales were three times his afternoon sales.

What is the solution to 3/4 (x+8) = 9

The radius of the circle is 14 cm. What is the circumference of the circle? A. 43.96 cm B. 615.44 cm C. 87.92 cm D. 1,230.88 cm

How many times does 8 go into 135

A two-way frequency table is shown below that displays the relationship between the region of the country in which people live and the type of music preferred.