Based on the number line about how many ounces are there in 8 pounds

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.

100 points, hi, i’m not sure how to get the equation from the graph and table.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?