6x-2y+5. Here you just do addition/subtraction with the coefficients on the variables.
Answer:
= 43
Step-by-step explanation:
{7 × 
- 7} -2 ×3
Solve the brackets first
{7 × 8 - 7} -2 ×3
{56 - 7} -2 ×3
49 -2 ×3
49 -6
= 43
you are right
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➷ To understand this, you need to know one rule:
when indices are separated by parenthesis, they multiply
As per this rule, the correct option would be C
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Use the equation to help determine the total cost.
r is given as 8, r=8
C=2.5(8)+15
C=20+15
C=35
Nina’s total cost will be $35
Hope I helped! xx
The answer is D you need to compare all the gallons by year and how much they waste.
