Answer:
4
Step-by-step explanation:
48 divided by 12 is 4 simple division
3150 milliliters
0.35*9 use the calc to convert from L to Ml
Answer:
-7
Step-by-step explanation:
5-x=12 subtract 5 from both sides to get x alone
-x=7 divide both sides by -1 so that x is positive
x=-7
Answer:
Step-by-step explanation:
(2x+3)^2=4x+9
Answer: 65
Step-by-step explanation:
65 mph x 2 = 130 miles in 2 hours
520 total miles - 130 = 390
8 total hours - 2 hours = 6 hours
390 / 6 = 65 ave mph