What is the discriminant of 9x2 + 2 = 10x?

-356

-172

28

72

If you don't use algebra in real life why teach it

What is the sum and classification of 3/20 + √10 (sqrt of 10) ? 1) 3.31227766 ..., irrational 2) 3.31227766 ..., rational 3) 18.16227766 ..., irrational 4) 18.16227766 ..., rational (not a multiple choice)

Are parabolas symmetric

5/2*x=1 solve mentally

If two opposite sides of a square are increased by 14 meters and the other sides are decreased by 7 meters, the area of the rectangle that is formed is 72 square meters. find the area of the original square.

A chemist is using 364 millimeters of a solution of acid and water. if 16.8% of the solution is acid, how many millimeters of acid are there?

Harriet plans to file using Single federal income tax return with her husband. Together, they made $145,000 last year. They also received $500 in interest from a CD they own together. They have no children.

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 148 ft, and ball 2 is dropped from a height of 203 feet.

If 4+6+7=242854 6+6+7=364217 6+7+8=424828then 7+5+8=?

the numbers 30 to 74 are in a hat. If the probability of drawing a multiple of 2 is 23/45. What is the probability of not drawing a multiple of two?