4 books make 1 foot since there are 12 inches in a foot so 4 * 5 is 20
There are 20 books in the stack
Answer:
(x, y) = (10, -5)
Step-by-step explanation:
3x + 9y = -15 (eq 1)
-5x - 9y = -5 (eq 2)
add equation 1 and 2
3x + 9y -5x -9y = -15 - 5
-2x = -20
x = 10
put value of x in equation 1
3(10) + 9y =-15
30 + 9y = -15
9y = -45
y = -5
Answer:
I think:
A),C),and D
Step-by-step explanation:
Using the formula,( h= 138÷46),and using times after that.
Hope this helps! Have a good day/or night!
P.S: Sorry if I'm wrong I tried my best. Best wishes!!!
Answer:
I don't know the as wet. Thanks tho
Answer:
53
Step-by-step explanation:
