Answer:
Step-by-step explanation:
-35/2 x (-21/5)
-7/2 x (-21/1)
-7/2 x (-21) = 147/2= 78 1/2
Answer:
choice C. Perfect square trinomial is correct.
Step-by-step explanation:
We need to find the pattern which is represented by the polynomial
.
To find that pattern, we need to factor 





which is a perfect square.
Hence choice C. Perfect square trinomial is correct.
Move all the terms involving the sine to one side, and all the numbers to the other:

Answer:
12
Step-by-step explanation:
Percent means out of 100
We have 3/25
Multiply the top and bottom by 4
12/100
The percent is 12
Multiply 7x6 since when using pemdas, multiplication and division can be inverted, i.e. if multiplication is before division then you multiply and vice versa.
Hope this helps!