Complete the square to solve the equation below. x2 - 10x - 2 = 17
A. X = 5 + 55 X = 5 - 155
B. X = 5+ 39; x = 5 - 79
C. X = 5 + 184 x = 5 - 744
D. X = 6 + 0 = 6 -
What is the answer?

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?

Ihave trouble finding the nth term of a linear sequence

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.