POSSIBLE POINTS 1 Zack earned spending money by working around his neighborhood on Saturday. He charged $20 to
mow a lawn and $5 per hour to pull weeds. Let h represent the number of hours Zack pulled weeds.
Which expression models Zack's earnings?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Which is f(5) for the function –2x2 + 2x - 3?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.