Mrs. Adams is grading a math test on rational numbers. The correct answer to one of the problems is -0.4. Three students gave these answers:
Which answers are correct?

A)-(2/5)and 2/-5 only
B)
All three are correct.
C)-2/5 and -(2/5) only
D)
None of the answers are correct.

Which expression is equivalent to 3^3 + 2^2?

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: