Seventy-five random 7th graders were surveyed to see how many text messages that they send each day. The results are shown in the table. If there are 450 total students in the 7th grade, how many would you expect to send at least 76 text messages?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

∠a and ∠ b are complementary. if m∠ b = 80°, what is the measure of ∠ a? 10° 80° 90° 100°

What is the difference between a linear interval and a nonlinear interval?