a rectangle has a length of 5 inches and a width of 11 inches. a second rectangle has a length of 13 inches. what is the width of the second rectangle?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of