Please help me

What is the following table called?

Ages Number of Ages

20 up to 30 16

30 up to 40 25

40 up to 50 51

50 up to 60 80

60 up to 70 20

70 up to 80 8

A. Histogram B) Frequency polygon C) Cumulative frequency distribution D) Frequency table E) None of the above

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

Find x to the nearest hundredth place

Which graph represents the equation y =4x