David invested r1000, what would that money grow to in 18 months at 5.5% interest rate

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?