Guse the following formula to calculate the area of the region. area enclosed by c = 1 2 c x dy − y dx, the region between the x-axis and the cycloid parametrized by r(t) = (7t − 7 sin(t), 7 − 7 cos(t)) for 0 ≤ t ≤ 2π

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.