Which equation is in standard form? 2y = -x + 8 x + 2y = 8 x = -2y + 8

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

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?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth