If h = 11 units and r=4 units then what is the approximate volume of the cone

I am a number between 7 000 000 and 8 000 000. All my digits are odd. All the digits in my thousands period are the same. All the digits in my units period are the same. The sum of all my digits is 31. What am I? Give as many answers as you can.

Dexter drove 546 miles on one tank of gasoline. His car's gas tank holds 15 gallons of gas. Find the average number of miles he drove per gallon.

What is 7 over 21 as a decimal?

How to reduce 11/5 - 9/2

Harrison is buying a bicycle for $340. What amount of sales tax must he pay if the sales tax rate is 7%?

Hugo is making blue paint with red paint to creat purple paint. The ratio of blue to red is 3 to 2. How many pints of blue paint will he use to create 40 pints of purple paint

Lina has already prepared 4.5 kilograms of dough and will continue preparing 2.73 kilograms of dough every hour. How many hours did Lina work if she prepared 9.96 kilograms of dough? Write and solve an equation to find the answer.

Analyze the following pattern 1,2,5,10,7

Factor completely 3x3 + 3x2 - 18x

Which inequality has no solution? O 6 (x+2) >x-3 O 3+4x5 2 (1+2x) 0 - 2 (x+6) < x-20 O x-9 <3 (x-3)