1. Angela was doing her homework when her dog bit off a piece of paper. All she had left was the start

of the sequence: 4, 12, ... and the fact that 972 was some term of the sequence.

a. If the sequence is arithmetic, what is the equation of the nth term and what number term is 972?

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

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Write an algebraic expression for the word expression the quotient of c and 8