What value of b makes the expression, x^2 + bx + 64 a perfect square trinomial? 16 8 4 2

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x