Please help me What value, in place of the question mark, makes the polynomial below a
perfect square trinomial?
X2-28x+?

What values of c and d make the equation true?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal