PLEASE HELP Assume the random variable x is normally distributed with a mean of 45 and standard deviation of 12. Find P (x > 40 ).

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?