Covert each into algebraic equations 1.Twice a number is eight less than four times that number.

2.Four times the sum of a number and two is twenty.

3.Nine less than twice a number is four times the sum of the number and five.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.