How do you calculate the surface area of a triangular pyramid

Estimate a 15% tip on a dinner bill of $32.14 by first rounding the bill amount to the nearest ten dollars.

A board is 93 inches long. How long is it in feet and inches?

Yuron is sketching a scale drawing of a famous painting. The painting is 54 inches wide and 72 inches long. He used a scale factor of to make his sketch. How many inches wide is Yuron's sketch?

A car drives 36 miles in 69 minutes. What is its average speed in miles per hour?

If each U. S. dollar is worth 88.353 yen and he exchanges 100 U. S. dollars how many yen does he get

Of all rectangles with a fixed perimeter of p, which one has the maximum area? (give the dimensions in terms of p.)

What is 18/7 as a mixed number

The sum of a number and twice its reciprocal is 27/5. Find the number.

A Box is 16 inches tall, 10 inches wide and 10 inches long how many small boxes can fit inside

How do you expand 412.638 in decamil and expanded form