Solve for n.
2n+3=-3.2

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?