The sand at the bottom of an hourglass has the approximate shape of a cone with a diameter of 9.85 cm and a height of 6 cm.

Which estimate best approximates the volume of the sand?

160 cm³

380 cm³

470 cm³

630 cm³

Write an equation to match this graph. Which pair of measurements is not equivalent? 3 hours, 10 minutes and 190 minutes 240 minutes, and 4 hours 350 minutes, and 5 hours, 50 minutes 480 minutes, and 6 hours

Which of the following is not equal to the other values? -sin37° sin143° sin323° sin (-143°)

After John worked at a job for 10 years, his salary doubled. If he started at $x, his salary after 10 years is $1x $x + 2 $x-2 $2x

What is 31*15-11+40 =

Let () = 2 - 7 and () = - 6 - 3. Find () + () and state its domain. -4 - 10; all real numbers 8 - 4; all real numbers -4 - 4; all real numbers 8 - 10; all real numbers

Tim spent 1 1/2 hours setting up her computer. It took her 3 times as long to install the software. How long did it take Tim to set up the computer and then install the software? Find the hidden question and solve.

Find the area of a triangle with sides 13 meters, 12 meters, and 5 meters

Create an equation to represent the situation below and then solve your equation. Renee is wanting to join a gym. Pumping iron has a $90 membership fee and is $10 a month. Fit for life has a $50 membership fee and is $15 a month.

A + 2 = 5 + 4a what does a equal

To prepare for the upcoming competition season, an Olympic skier trains 5 days per week. The average number of miles the skier will ski in 1 day is 25.7. How many miles does the Olympic skier ski in 1 week?