Makena buys some candy and a Red Bull. The candy is priced by the ounce. The equation y = 1.75x + 2.50 can model the total cost of Makena 's purchases. What
does the value of the function at x = 0 represent?
x O ?
A The cost of the Red Bull and x ounces of candy.
B The cost of the Red Bull and 1 ounce of candy.
C The cost of the candy.
D The cost of the Red Bull.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given