solve the system of linear equations

x + y = 4 and 2x + 3y = 0

3. If a trinomial to be factored through reverse F. O. I. L. has a negative third term, the last terms of the binomial factors have opposite signs because two numbers with the same sign have a negative product while two numbers with opposite signs

How many non square lie between square of 49 and 50

The difference of 7 and twice the product of a and b. The answer is not 2ab-7.

The martins keep goats and chickens on their farm. If there are 23 chickens with a total of 74 legs, how many of each type of animal are there?

52.5% of what number is 25.83?

Unit rate for 3 inches of rain in 6 hours

Tell whether the number is divisible by 2,3,4,5,6,9,10 275 390 468 593 612 235 450 98

Simplify (i) (4i) (-4i)

Which decimal has the greater value: 8,516.50 or 8,516.90?

Find the square root of the number. -18