Answer:
Step-by-step explanation:
5x + 9y = -11
3x + 9y = -3
5x + 9y = -11
-3x - 9y = 3
2x = -8
x = -4
-12 + 9y = -3
9y = 9
y = 1
(-4, 1)
Answer is C
The exponent of a number says how many times to use the number in a multiplication.
For Example, In 8² , the 2 is the number of times 8 has to be multiplied. In this case It has to multiplied by itself 2 times, 8x8 = 64 so 8² = 64.
Another example is 9³ since the number above is 3 we have to multiply 9 three times, 9x9x9 = 729 which means 9³ = 729.
Hope this helps
Answer: 36
Step-by-step explanation:
160•.60=96
160-96=64
the discount is 96 and the amount after the discount is 64 i think
Answer:
Step-by-step explanation:
First, she has to add. Second, she has to divide.
5x - 3 = 12
+ 3 + 3
——————
5x = 15
x = 3
Hope this helps!