Edward uses a $1 bill to pay for a banana that costs $0.43. How much change should Edward get back?

A: $0.57
B: $1.43
C: $0.47
D: $0.67

What is the slope of a line that is perpendicular to y = 3x + 1

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.