CAN SOMEONE PLEASE HELP ME I DONT UNDERSTAND THIS. And please HURRY 14. You have a 16g crystal that you need to find the volume of by dropping it into a beaker of water. The beaker
began with 20 mL of water and after the crystal was dropped in, the water was displaced to 31 ml What is the
volume of the crystal?
a. What is the volume of the crystal
b. What is the mass of the crystal
c. What is the label for density of this crystal
15.Explain the law of conservation of matter

Pick the description of a geometric object that best matches the real world object box for a deck of card

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.