Martin, Josh, and Alex are painting an office. When Martin paints an office alone it takes him 9 hours to complete the room. When Alex paints an office it takes 10 hours to complete the room. If Martin, Josh, and Alex work together, they can paint the room in 3 hours. If Josh has to paint the room alone, how long would it take?

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

The measure of an angle is 117°. what is the measure of a supplementary angle?

Vinny is interviewing for a job.he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?