Select all pairs of alternate exterior angles. Assume the lines are parallel. 2 and 7
1 and 7
2 and 8
7 and 8
none
1 and 8
1 and 2

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 inequality comparing two of the expressions is true when 0.7 < x < 0.9

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.