Which is not a mathematical sentence?
A. y + 4 = 20
B. 7-r212
C. 6m
D. 9 - 2 = 7

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.