
Alternatively, you can write radicals as rational exponents, so that you get

Then recalling that

, you have
Answer:



Step-by-step explanation:
The expression needed is the highest temperature of the week subtracted by the lowest temperature of the week. That is to say:



Answer:
60/4 is 45 and 38 times 1.15 is 43.70 kohls is more expensive
Step-by-step explanation:
Answer: Number one would be 3x+2y+-14 and x+y=-4, second one is x=-3, y=7
Step-by-step explanation:
The first one is solved by inputting the x and y in each one and finding which one comes out true, the second on is solved by substitution. to find x you would subtract x in the first equation and make it y=4-x then input that equation in the y in the second equation.