PLEASE HELP ME!! Whoever answers best is the brainlest! And, please show your work. Thank you! What is the value of the expression 9 − (1/2) ^4 ⋅ 48? (A)1 (B)3 (C)6 (D)9

Solve: 3x+y=6 4x-2y=18 show all work !

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°