plz help Vocabulary: If you write an expression to represent the following situation, how can you determine which is the constant and which is the coefficient of the variable? The zoo charges the Garcia family an admission fee of $5.25 per person and a one-time fee of $3.50 to rent a wagon for their young children.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

John bought 2 horses at rs 20000 each

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z