Solve the system by the addition method.-2x – 7y = 177x + 3y = 5

Use graphs to find the set.(-9, 0) ∪ [-3, 9]

Express the interval in set-builder notation and graph the interval on a number line.(-5, 9]

Solve by the method of your choice.x2 + y2 = 5 -7x + y2 = 11

Solve the equation by completing the square.x2 + 8x + 32 = 0

Newborn Josie is participating in a study that uses the high amplitude sucking paradigm. Josie hears a tone and starts sucking her pacifier quickly. As the same tone is presented again and again and again, her sucking rate decreases. Therefore, which of the following statements is TRUE?

Solve the polynomial equation by factoring and then using the zero product principle.x3 + 4×2 – x – 4 = 0

Solve and check the equation.(x + 3)3/2 = 8

Tyson used to be fine when his mother left him with the babysitter, but at 8 months old he began to cry whenever his mother left. This indicates that Tyson is experiencing which of the following?

Timmy and his mother are visiting his uncle. While his mother and uncle chat in the living room, Timmy plays on the floor with the toys that he brought. Timmy is comfortable playing independently because he can hear his mother from across the room. This illustrates which component of the attachment bond?