-9 because-26 minus 10 is -36 and -36 divided by 4 is -9
An acute angle has a measure between 0 degrees and 90 degrees.
An obtuse angle has a measure between 90 degrees and 180 degrees.
It’s going up by 2/9 . if you did it for the first one it’d b 3/9 which is 1/3
That'd be y = 70* (1-.00043)^t, where the rate of decrease is really 0.43% and t denotes the # of weeks.
This simplifies to y = 70*(0.00057)^t.
