Answer:
have:

Step-by-step explanation:
Answer:k=0.67
Step-by-step explanation:
Answer: True because when you divide both sides by 2 that would be the right equation.
Step-by-step explanation:
Answer: $44.55
Step-by-step explanation:
$45 times the 10% sales tax equals $49.50
$49.50 minus the 10% discount equals $44.55
Answer:
About 70.71068 m is your answer.
Step-by-step explanation:
V=1/4h﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4
≈70.71068
Please mark Brainliest and hope this is right!