Two circle with centre P and Q have a radius that intersect on point r(2,0) and S(8,0). The circles are touching y-axis at point A and B. Find a. Radius and centre of the circle
b. The distance PQ
C. Equations of the circle with centre P and Q
d. Tangent equations on point S​

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?