Which expression is equivalent to (x+4i)^2?

x^2+16

x^2-16

x^2+8xi + 16

x^2+8xi-16

There a total of 82 students in the robotics club and the science club. the science club has 6 fewer students than the robotic club. how many students are in science club?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Of jk j(–25, 10) k(5, –20). is y- of l, jk a 7: 3 ? –16 –11 –4 –1