John is working part-time in an office. He works 30 hours per week and earns $600 each week. He currently has $2,700 in a savings account. John needs to spend $3,780 on car repairs. He sets aside $492 a week for his usual expenses. If John uses his savings to help pay for the repairs, it will take at least weeks to pay for the repairs.
A) 24x+16y
B) 0.6x+0.4y
C) 0.4x+0.6y
D) 16x+24y

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4