Which expression is NOT equivalent to 10a + 12? a.32 + 3 + 5a + 5a

b.42 + 22 + a

c.8 + 1a + 9a + 22

d.32 − 22 +7 + 10a

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Iwill give you ! what is the measure of ∠v ?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2