Which of the following expressions represents "no more than 5"?

x < 5
x ≤ 5
x > 5
x ≥ 5

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?