The number of people that own pets???
Answer:
x squared over 5 plus y squared over 30 equals 1
Step-by-step explanation:
Check the picture below.
so, the maximum height is reached at the parabola's vertex, where x = how many seconds it took, y = how hight it went.

Answer:
a, the number of pupils that like maths
b. we are given the number of students in the class and the percentage that like maths
c. percentage of students that like maths x total number of students
0.7 x 40
d. 0.7 x 40
28
Step-by-step explanation:
Number of pupils that like maths = percentage of students that like maths x total number of pupils in the class
(70 / 100) x 40 = 28 pupils