Nthis diagram, which equation could you prove to be true in order to conclude that the lines are parallel? −a b = −c d −a b ⋅ −d c =−1 −a b ⋅ −c d =−1 −a b = −d c

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Which one ? is the answer and how to find this answer

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25