The total of three sisters age is 39. dina is half as old as michelle and 3 years younger than juliette. how old are the sister?

Which expression is equivalent to 2x^2+7x+4?

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?

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16