Answer:
C. 11x^2 is a monomial
Step-by-step explanation:
11x^2 is a monomial because it contains one term.
Hello,
(-9)⁴= (-9).(-9).(-9).(-9)= 81.81 = 6561
Answer:
D
Step-by-step explanation
A. there are 6 triangles so not this
B. Only 2 rectangles
C. 6 triangles once again
D. everything matches
Answer: a=-0.75
Step-by-step explanation:
14a - (2a +9)=2/3 (12a-18)
14a - 2a -9=2/3 * 6(2a-3)
12a-9=2*6/3 (2a-3)
12a-9=2*2(2a-3)
12a-9=4(2a-3)
12a-9=8a-12
4a-9=-12
4a=-3
a=-3/4
a=-0.75
System b should be (-3,2)!