12a + 6 + 3a = 15a + 2
15a = 15a - 4
0 = - 4
Answer:D
Step-by-step explanation:
you plug 4 in for x
f(4)=4^2+2(4)-3
=16+8-3
=24-3
=21
Answer: <less than >greater than ≥ greater than or equal to ≤ less than or equal to
Step-by-step explanation:
Answer:
MC = 45
Step-by-step explanation:
Δ ABH and Δ MCH are similar and the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
6MC = 270 ( divide both sides by 6 )
MC = 45