12. a cyclist travels 40 km at a speed of x km/h. find the time
taken in terms of x. find the time taken when his speed is
reduced by 2 km/h. if the difference between the times is
1 hour, find the original speed x.

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

Long division the problem is 40 ➗ 348 = ?

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle