The average height of adult females is 64.4 inches, with a standard deviation of 2.3 inches and a normal distribution. rayna is 67.1 inches tall. what is the standardized score for rayna’s height?

a. -1.17
b. 1.17
c. -0.17
d. 0.17
e. unable to determine the standardized score

How do you answer this question? (step by step)

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.