Answer:
B. -8
Step-by-step explanation:
x-3y=136
18x+3y=-288
add the equations
19x=-152
divide by 19
x=-8
Answer:
The question is wether for the first positive value we consider (-4)×(-2) or -4×(-2)
I teach you students to factor each term
26n^5 = 2 x 13 x n x n x n x n x n
12n^3. = 2 x 3 x n x n x n
Step-by-step explanation:
perimeter of a semi- circle with a radius of 6cm
=2πr=2×π×6=12π cm