What is the total surface area of this square pyramid? A square pyramid has a square base has side lengths of 9 millimeters and triangular sides have a height of 12 millimeters. ? mm^2
A)189
B)216
C)297
D)378

Its c

Step-by-step explanation:

Got it right. Hope it helps!

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

1 3 5

step-by-step explanation:

i took the test: )