[-5y-y(-7y-9)]-[-y(15y+4)]=0 i don’t know how to find the missing coefficient in the blank

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i