The area of a circular sun spot is growing at a rate of 600 km2/sec.

(a) How fast is the radius growing at the instant when it equals 4,000 km?

If your heart beats 65 times in one minute, how many times does it beat in a day? A. 3,900 times B. 1,560 times C. 93,600 times OD 1,440 times

2 and 2/3 plus 3 and 1/2 as a fraction

Kirsten will do yard work with Ryan during July. Kirsten mows the lawn every third day and Ryan waters the lawn every fourth day. They both trim the hedges every Saturday. Both begin their work on Monday July 1.

What property is 12•13=13•12

When directed to solve a quadratic equation by completing the square, Sam arrived at the equation (x - (5/2)) ^2 = (13/4). which equation could have been the original equation given to Sam?

Javier is buying food in the lunch line. The tray of salad plates is 3/8 full. The tray of fruits plates is 3/4 full. Which tray is more full?

What is defination of tangent

What if Charlie has 12 T-shirts one fourth of her T-shirts are green how many of charlies T-shirts are green?

A cotton candy vendor has 8 cones of blue cotton candy to sell. If the blue cotton candy is 25% of the total number of cones, how many total cotton candy cones does he have?

How are the rules of signs for multiplication and division related