Answer:
18
Step-by-step explanation:
because if marks brother is 5 years older the subtract 23 with 5 and it equals 18 because 18 + 5 = 23
For your equation, you will need to their combined ages by half of 23.
420 inches of space in all equal length width and height
Because 4+3+7 = 14 x 30
it all equals up to 420
∵Answer:
a²
we have :
the quotient x minus 0.3 is equal to 1.7