If a = - 9 and b = - 4, what is the value of a + b?

-5

5

-13

13

Subtracting 766 from 941 results in a difference of End of exam A. 175. B. 241. C. 571. D. 185.

A cross-country train travels at a steady speed. It covers 15 miles in 20 minutes. How far will it travel in 5 hours assuming it continues at the same speed?

A university would like to estimate the proportion of fans who purchase concessions at the first basketball game of the season. The basketball facility has a capacity of 3 comma 600 and is routinely sold out.

When completely for a cube shaped container will hold 8000 cm³ of water. What is the length of an edge of the container

An audio/video equipment discount store has 36 salespeople. Daily dollar sales for individual sellers enployed by the store has a normal distribution with a mean of $2000 and a standard deviation of $300.

Express the area of a rectangle with length 2c^3d^2 and width 9d^7 as a monomial

Find the area of square park whose Perimeter is 32cm

Which identity is shown below: 12 • 1/12 = 1? Select one: a. multiplicative identity b. additive inverse c. additive identity d. multiplicative inverse

Add 7 tenths to 56.648

12 of 30 students in the class are boys what is the ratio of boys to the girls in the class