Select the property of equality that is used to generate each set of equations.
Division Multiplication Addition Subtraction
4m = 60
4m + 2 = 60 - 2
7b + 9 = 22
7b + 9 - 6 = 22 - 6
L
9x - 4 = 33
9x - 4 + 3 = 33 + 3
113 = 21
(1) x 8 = 21 X 8
L
w

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Find the value of x. round the length to the nearest tenth

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.