7. use t = 3.14 to estimate the area of the circle with a radius of 9.6 meters. round your answer (1 point)
to the nearest hundredth.
o 30.14 m2
o 289.38 m²
060.29 m
o 1157,53 m²

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15