Pls help due soon TY!!

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent