Freddie worked 9 days at the stratham fair and earned 518.40. if he worked 8 hours each day, what was his hourly wage

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Solve for x where 0 equation: cot^2x+2cotx+1=0