Answer: is the second one
Step-by-step explanation: because is -3.2 and the second one is withdrawal
Answer: 7 hours
Explanation: We can use the equation 93=9h+30 to represent the problem.
When we solve for h with (93-30)/9, we get 7 hours.
Answer:
D
Step-by-step explanation:
3 (4x + 18y) means that 3 will multiply 4x and 18y factor which results to 12x + 54y
hence dissimilar to the original expression
Answer: jackson is 12
explanation:
let the age be represented by x
jackson is 2 times older than shelly so
2x is jackson’s age and x is shelly’s age
since the sum of their ages is 18 then:
2x + x = 18
solve:
3x = 18 ➔ divide by 3 on both sides
x = 6
so now we know shelly is 6
jackson is 2 times older than her so:
2(6) = 12
Answer:
=42x2+1
Step-by-step explanation:
6x2+36x2+12x+6
=42x2+1
