Correct answer should be 128, because the cost is 80. Do 3 x 16 to get 48, and add 48 to 80 to get 128. Hope I helped!
Answer:
2x⁴ - x² - 15
Step-by-step explanation:
(X² - 3)(2x² + 5)
[x²(2x² + 5)] - [3(2x² + 5)]
= 2x⁴ - x² - 15
Answer:
70
Step-by-step explanation:
40x/100 +42 =x
4x/10 +42 =x
42 = 10x -4x/10
420=6x
x =70
Answer: 24 laps
Step-by-step explanation: it’s a ratio, so a fraction. 4/6 = x/36
cross multiply and get 6x = 144
divide by 6 and get x = 24