Which of the following points denotes the highest or lowest point of quadratic function y = a(x – h)2 + k?

How many natural numbers n satisfy the inequality: 1/7 < n/10 < 4/5 ?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?