The Quickstar baseball company manufactures two grades of baseballs, the Speedee, which sells for $2.10, and Quickfire, which sells for $3.50. The company receives $843.50 for an order of 305 balls. How many of each ball was ordered?

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?