Answer:
B. -90
Step-by-step explanation:
a1=9; d=-3
a34=9-3(33-1)=-90
A. one solution
B 4(2x-5) = 4
2x-5 = 1
2x = 6
x=3
The answer is 40*8.50 * 7.65/100 = 26.01 and that's your answer
You have the correct steps and final answer. The area of the room is 196 square feet, so each side is sqrt(196) = 14. The perimeter is 14*4 = 56 feet. You'll need 6 boards (each 10 ft long) to get 60 ft total. You'll have 60-56 = 4 ft of board left over. This is assuming that there isn't any other type of waste or mistakes made in cutting.
Nice work on getting the correct steps and final answer.
Answer:
No
Step-by-step explanation:
None of the angles in the two triangles match, so it is impossible for them to be congruent.
