Miguel withdrew $20 per week from his bank account for 4 weeks. Which expression shows the charge in his account balance? a. -20 + 4
b. -20 - 4
c. -20 • 4
d. -20 / 4

(I think it’s C)

Please help me, this is due for tomorrow!

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?