Suppose that 9% of teachers at a university attend a conference. if 4000 teachers are enrolled at the university, about how many teachers attended the conference?

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.