Haley planted a new tree in her yard. To help the tree to grow upright, she attached support wires to the tree. If the support wires are each attached 4 ft up the tree and form a 56° angle with the ground, what is the length of each support wire?

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality