Nolan has $15.00. he earns $6.00 an hour babysitting. claire has $9.00. she makes $8.00 an hour babysitting. use the system of linear equations below to find the number of hours of babysitting after which nolan and claire will have the same amount of money. m = 6h + 15 m = 8h + 9 show work

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

What is the domain of the of the exponential function shown below?