If n distinct planes intersect in a line, and another line l intersects one of theses planes in a single point, what is the least number of these n planes that l could intersect?
a. n
b. n−1
c. n−2
d. n/2
e. (n−1)/2

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality