Will mark Brainleist need help quick Pls Help

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.