A group of adult males has foot lengths with a mean of 27.41 cm and a standard deviation of 1.31 cm. Use the range rule of thumb to identify the limits separating values that are significantly low or significantly high. Is the adult male foot length of 24.2 cm significantly low or significantly high? Explain.

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

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Find the distance between (7,-6) and (-3,-9)