The ordered pair below is a solution to which equation?
(40,5)
A. y=1/8x
B. y = 5x
C. y=1/5x
D. y = 8x

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?