Answer:
-9/7
Step-by-step explanation:
Simplify and remove like terms.
Answer:
28 minutes
Step-by-step explanation:
500 ÷ 18 = 27.77777777777778
Round the 27.7 to 28.
Answer:
B. No

Step-by-step explanation:
-A right angle triangle has two complimentary acute angles and one right angle.
-
is usually one of the acute angles and is equivalent to 90º minus it's complimentary acute angle.
-Complimentary angles add up to 90º.
#For complimentary angles:

The two acute angles cannot have the same Cosine value.
Hence, she's not correct.
Answer:
2
Step-by-step explanation:
You would replace the x with -2x so you would end up with -2×-2 and that is 4 then minus 2 is 2.
Answer:
238.64 cm
Step-by-step explanation: