What is 9+12-4x15+3 divided by 2

Moesha is (3g+1) years old and shanti is twice moesha age. find the sum of the ages of moesha and shanti in 2 years time. how old will shanti be when moeshas age in twice her present age? find how old moesha and shanti were 4 years ago if g= 5

Which linear inequality is represented by the graph?

Nash is making a framed enlargement of a mary cassatt postage stamp to present to a retired postmaster. he enlarges the stamp using a scale of 2 inches to 1 centimeter. if the actual length of the stamp is 3 centimeters and its width is 5 centimeters, what are the dimensions of the scale picture? a. the length is 6 inches, and the width is 10 inches. b. the length is 1.5 inches, and the width is 2.5 inches. c. the length is 5 inches, and the width is 10 inches. d. the length is 5 inches, and the width is 7 inches.