A book has pages numbered 1 - 30. How many times is the digit 1 is used in writing the page numbers.

Write one hundred sixty-two and three tenths as a decimal

A certain forest covers an area of 2000 km. Suppose that each year this area decreases by 3.75%. What will the area be after Il years? Use the calculator provided and round your answer to the nearest square kilometer.

Research is counted 8912 monarch butterflies on one branch of a tree at a site in Mexico. The estimate of the total number of butterflies at the site was 1000 times as large.

Rank the following quantities in order of decreasing volume. rank from highest to lowest volume. to rank items as equivalent, overlap them

A slice is made parallel to the base of a square pyramid. What is the shape of the resulting two-dimensional cross-section? Drag and drop the word to correctly complete the sentence.

Harry had 2/3 of a candy bar. He gave 1/4 of the candy bar to James. How much does he have left? A. 1/3 B. 5/12 C. 1/4 D. 1/10

The student council buys pencils for $0.05 each and sells them for $0.25 each. Which expression represents the amount of profit the student council makes from selling p pencils? a (0.25-0.05) p b (0.25+0.05) p c 0.25p-0.05 d 0.25p+0.05

The ratio of girls to boys in the grade is 7 to 8. If there are 140 girls, how many boys are there

How does the volume change as each layer is added

El area de un rectangulo de lados 0,0005m y 0,003m es