Which of the following is a biconditional statement? Question 3 options: A) If x ≠ 5 then x2 ≠ 25 B) x = 5 if and only if x + 5 = 10 C) If x2 = 25, then x = 5 or x = –5 D) x = 5 if x2 = 25

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%