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Evaluate 4x + 7 if x = 5.
A. 17
B. 23
C. 27
D. 32
What’s the value of 3x − 2y + 6 when x = 4 and y = −2?
A. 14
B. 18
C. 22
D. 26
Evaluate 2x² + 3y − 5 when x = 3 and y = 1.
A. 10
B. 16
C. 14
D. 20
If 100+30x is the expression that shows how much money Maria has saved to buy her new laptop, where 100 is the amount she has already saved and x is the number of weeks she continues to save, how much will she save after 6 weeks?
A. $180
B. $220
C. $340
D. $280
If 15 + 5x is the expression that shows how many miles John has run in total, where 15 is the number of miles he has already run, and x is the number of additional days he trains, how many miles will he have run after 10 more days?