Add or subtract the following numbers. even if you use a calculator to get the answer, rewrite the problem with the decimal points aligned separately. 3.14 + 17.8 =
a 4.92
b 29.2
c 2.094
d 20.94
what does it mean for the decimal points to be aligned separately? ?

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

What is the gcf of 20c^3-5c^4+30c^6