David Copperfield did this number trick: pick a number
add 12
divide by 4
subtract 7
multiply by 2
PART 1: Write the number trick as an algebraic expression

PART 2: David's result was -10. What number did he pick? Show or explain how you got your answer.

If m 17 27 90 63 ** picture is attached

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?