Answer:
3
Step-by-step explanation:
7 x 3 = 21
7 + 7 = 14 + 7 = 21 :)
Answer x=9
Pls mark brainliest
Answer:42.875 feet3
Step-by-step explanation:
Answer:
7m: multiplied by, times
x^2: squared, to the power of
2 - 4m: less than, difference
3r/b: quotient
4k + 7: increased by, more than, altogether
3(2 + y): multiplied by, per, product
good luck!!
Half an hour=30 mins
In 30 minutes you have 2.5 times 12 minutes ( 30:12) so he ran 2.5 miles in half an hour