Daytime temperature in the sahara can reach 130°fi at night, however the temperature can drop 62% what decimal expresses this percent?

Precalculus question, image attached.

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping