PLZZZ I NEED HELP PLZZ HELP MEE GOD BZLESS YPU IF YOU DO I AM IN A HURRY Find the most important variable in the problem. How long does it take to drive 341 miles at 63 miles per hour?
A. the time it takes to complete the trip
B. the total distance of the trip
C. the rate of travel​

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?