The answer for the first one is B 56 and for the second it's and unless you meant 80 for C none of them are correct.
Answer:
y= -x+0: has a negative slope.
y=x: has a negative slope.
y=-4: has a slope of zero, a straight line from left to right, passing thru 4
Answer:
25
Step-by-step explanation:

She earned 1149, which is between 436 and 1506 so you would use the 2nd row for the information.
the tax rate says 15% for the amount over 436
so fist find the amount that is taxable:
1149 - 436 = 713
now multiply that amount by 0.15 ( 15% as a decimal)
713 * 0.15 = 106.95
now add the base tax to that amount for the total amount of tax:
106.95 + 34.90 = 141.85 total tax withheld
Answer:
60
Step-by-step explanation:
To get to 300 from 15 you times 15 by 10 and then by 2, do the same for the number of students who like icecream