Perform the indicated operation.

15 - (-11)

3/5*2/3=in simplest form?

Determine whether these two triangles are similar, and if so what is the ratio of their sides? Yes, ratio = Yes, ratio = Yes, ratio = No, these triangles are not similar

You spin the spinner twice find the probability of spinning a 3 then a 4

In 2008, there were 6.7 * 109 people living on earth. What is that number in standard notation? A.) 6,700,000 B.) 6,700,000,000 C.) 67,000,000 D.) 67,000,000,000

Which of the following is not equal to sin⁡ (-230°) ? sin (130°) -sin (-50°) sin (50°) sin (-50°)

Simplify the expression. (2x5) 4 2x20 16x20 16x9 2x625

43/14 as a decimal rounded to nearest tenth

Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10.

There are 7 people at a party. Each person must shake hands with all the other people at the party once. How many handshakes does it take to do this?

Nakida worked 55 days and sold 10 phone plans. Aiesha worked 40 days and sold 8 phone plans. On average, how many phone plans did Nakida sell in one day? On average, how many phone plans did Aiesha sell in one day?