Answer:
Step-by-step explanation:
1. 2 + 3{(4 - 1)2}
let solve the bracket first
2+3{(3)2}
2+3(9)
2 + 27
=29
2. 3y - ( x +2)
where x = -5 and y = 3
3(3) - (-5 + 2)
9 + 5 - 2
i multiply the bracket with negative sign
9 + 3
= 12
3. 2(4x - 3) + 3x
distribute
8x - 6 + 3x
combine the like terms
8x + 3x -6
Answer: is what
Step-by-step explanation:
Answer:
no,yes,no,yes
Step-by-step explanation:
if you wanna check if a relation is function or not , you can simply check if you have more than one x with same y.for example : for the first relation, you have (2,5) and (2,7) . so this isnt a function
Answer:
$14.50 I think
cuz u add 6.50+ $8.00=$14.50
Answer: n + 2 = 2n
Step-by-step explanation:
sum = add
number and two = n, 2
twice the number = 2 x n