A reaction appears to be destroying some logs. When it is over, only ashes remain. Yet you know that no mass is lost in a chemical reaction.

A. Why is this so? Explain.

B. Which law is at work here?

Which equation is the equivalent to - k + 0.03 + 1.01k = - 2.45 - 1.81k

Does the equation y=7x show a proportional relationship between x and y

james had 20 marbles more than Kevin. After Kevin lost 10 marbles, James had thrice as many marbles as Kevin. How many marbles did James have at first?

What is the slope and y-intercept of y+3 = - 1/3

The prism below has a volume of 21 cubic units. The base is a right triangle with legs that have lengths of 2 units and 3 units. Find the height of the prism. A. 7 units B. 3.5 units C. 21 units D. 11.5 units

0.006 0.06 0.6 6 what two numbers come next

How to solve the distributive property to express 27+60

Each small kite costs $4, while each large kite costs $7. If the total money collected selling kites is $150, and 30 kites are sold, how many of each size kite are sold? A. 8 small and 22 large B. 10 small and 20 large C. 20 small and 10 large D.

Build a triangle is it possible to build 5,5,3

Eric and six friends spent a day at the musement park at the end they decided to pair up for roller coaster rides so that each friend would ride with each others exactly once how much rides would be taken