ANSWER: a=12 b=15
Explanation: (look at work below)
4a + 1b = 63 (eq1)
5a + 3b = 105 (eq2)
-12a + -3b = -189 (subt. eq1 from eq2)
————————-
-7a = -84
a = 12
4(12) + 1b = 63 (plug in the a value)
48 + 1b = 63
b = 15
Answer:50% got you just pick it.
Step-by-step explanation:
L*W*H for area. You need to multiply the length then width then height. The answer would equal 270
Plug it into a calculator and it gives you a big number but just round it to 5.2 or 5.20