Combine like terms.
7k – 13k
a.
–6
b.
–6k
c.
–20
d.
–20k

In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.