19 If the shape in the diagram rotates about the dashed line which three dimensional object will be formed
OA

there are no figures how am i supposed to answer this question

step-by-step explanation:

75%

step-by-step explanation:

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

have a nice day!

b, i believe, but not sure.