Which expression is equivalent to 6 - (-21) ? *

O 6-21

O 6+21

O-21-6

0 - 21 + 6

An equilateral triangular plate with sides 4 m is submerged vertically in water so that the base is even with the surface. Express the hydrostatic force against one side of the plate as an integral and evaluate it.

What can 19,683 be simplified to?

Which of these expressions is the same as 6 * (a 2) ? a 6 * a 6 * 2 b 6 (a * 2) c (6 * a) 2 d a * (6 2)

A dance academy charges $28 per class and a registration fee of $20. A student paid a total of $1000 to the dance academy. Construct and solve an equation to find the number of classes the student took.

Maura has a shelf that is 2.97 meters long. She is buying craft boxes that are 0.273 meters long. Maura wants to round these numbers to the nearest tenth. About how many boxes will fit on the shelf

Mike has $22 in his bank account and deposits $11.50 each week. At the same time, Tim has $218 in his account but is withdrawing $13 each week. When will the accounts have the same balance? How much money will each of them have after 12 weeks?

In the morning ma'lia studied 40 minutes for a math test. Later that evening ma'lia studied for x more minutes. Write an equation that represents the total number of minutes, y, ma'lia studied for the math test.

A rectangular prism has a top face with an area of 20 ft2 and a height of 5 ft. What is the volume of this rectangular prism? This is a 5th grade Question

Based on a survey conducted by Greenfield Online, 25 - 34-year-olds spend the most each week on fast food. The average weekly amount of $44 was reported in a May 2009 USA Today Snapshot.

17.8900 in word form