Howard works 7 hours each day. he earns $8.00 per hour. which number sentence shows the total amount of money he earns in one day? the answers are as follow 7+8 = 15 , 8-7 = 1, 7x8=56 or 8x8 = 64. select one answer

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

What are the sotions to the quadratic equation 9x^2=4

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain