Amits bank charges a $5.75 fee every month that his account balance is below a certain amount. amit writes the equation (-5.75)×7=40.25 to represent how much his account balance changes after 7 months of fees. is amits reasoning correct? explain

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

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

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.