KHDMD CM
6.8 cm = [?] hm

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?