mariya was asked to solve a/-13(< with a line under it)-16 and them graph the solution. her work is shown below. in which step, if any, did mariya make a mistake in her work?

a step 1
b step 2
c step 3
d no mistake found

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

We just started the introduction into circles and i have no idea how to do this.