Write the equation in standard form using integers.
y +4 = 2(x +7)

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0