420=2 (r+10) what is the total value of r

What is the measure of angle efg? a. 70 degrees b. 90 degrees c. 100 degrees d. 130 degrees

What type of polygon has seven sides

If f (x) = e * and g (x) = X-4, what is (gºf) (x) ?

Jill converted the equation of the line 15 x minus 14 y = negative 2 into slope-intercept form and found the slope and y-intercept of the line as follows. 15 x minus 14 y = - 2. 15 x minus 4 y minus 15 x = - 2 minus 15 x. - 4 y = - 2 minus 15 x.

a girl is snorkeling 1 meter below sea level and then she divides another 0.5 meters. How far below sea level is the girl?

Which expressions are equivalent to - 6Z + (-5.5) + 2.5z + 5y - 3.5? Select all that apply. A. - 3.5z + 5y-9 B. - 9 + 5y + (-3.52) OC. - 9 + 5y + 3.52 OD. 5y + (-3.5z) - 5.5 E. 5y-9-3.52

Solve for w - 2/5+1/2w = - 6/7

Liliana takes four breaths Per 10 seconds during yoga at this rate about how many breaths would Liliana take in two minutes of yoga

Which expressions have the same solution as - 4 (6) ? Check all that apply. -4 ( - 6) 4 ( - 6) 6 ( - 4) -8 (2) 12 ( - 2)

A certain type of bacteria, given a favorable growth medium, doubles in population every day. If you begin with 10 bacteria, how many days will it take for the population to reach 20,000