Which expression is equivalent to (x2 – 5x)(3x2 + 2x – 9)? a. x2(3x2 + 2x) – 5x(2x – 9) b. x2(3x2 + 2x – 9) – 5x(3x2 + 2x – 9) c. x2(3x2 + 2x – 9) + 5x(3x2 + 2x – 9) d. x2(3x2 + 2x – 9) – 5x

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Which of these triangle pairs can be mapped to each other using two reflections?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics