X = -6y - 12
4x + 5y =-39
4x + 5y = -39
-4(-6y - 12) + 5y = -39
-4(-6y) + 4(12) + 5y = -39
24y + 48 + 5y = -39
29y + 48 = -39
29y = -87
y = -3
x = -6y - 12
x = -6(-3) - 12
x = 28 - 12
x = 6
(x, y) = (6, -3)
The answer is C) 0
Because math
Answer: 26
Work: 90 - 64 = 26
This is the rule for complementary angles that are equal to 90 degrees.
Answer:

Step-by-step explanation:
Given


Required
Find XY
Represent BC and XY as a ratio;

Recall that:

Equate both ratios;

Convert to fractions

Cross Multiply


Divide through by 3


Hence:

Answer:
when you substitude 3 for b in (2b^3)+5 this should equal 23
Step-by-step explanation:
(2b^3) +5
(2(3)^3) +5
(2(9)) +5
(18) +5