How many intervals are there in the hisogram in figure 1.4?

What is the probability of rolling a single die greater than 4

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.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab