Answer:
a = 61
Step-by-step explanation:
Isolate the variable a by adding 40 to each side.
a = 21 + 40
a = 61
1. The area of the rectangle is 336. 14 times 24= 336 or width times length= 336.
2. The perimeter of the rectangle is 76. Because, 2 times(14+24)=76
3. If x= 10, the area would still be 336
Answer:
line QR
Step-by-step explanation:
Plane QRB is the front face. Plane TSR is the top face. The planes intersect at the top front edge, line QR.
I think the answer is B. I hope this help.
