It takes 45 seconds. the easiest way to do these is to use a graphic calculator and replace the variables with x and y, for example, this equation would become -5x^2+30x, and if you don't have access to a graphing calculator, you can always use desmos online.
Answer:
-4+n
Step-by-step explanation:
-4+8n-7n=
To me from the picture, all sides look the same. so I’m guessing it’s probably 11
Answer:
it will take 3 5/8 of gas to fill the tank
Step-by-step explanation:
14 1/2 - 10 7/8 can be re-written using improper fractions
29/2 - 87/8 We need a common denominator, which is 8
116/8 - 87/8 = 29/8 = 3 5/8 gal