Find the length of the rectangle. 7 mi
Area = 56 sq mi
1
A. 21 mi
B. 8 mi
C. 30 mi
D. 4 mi

Three coins are flipped. what is the probability that there will be at least two tails?

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?