A chemist is logging the decay of two different substances. The number of grams in Substance A is
represented by f(t) = 50(0.92) and Substance B is represented by f(t) = 90(0.5386)2 in days.
a. Identify the initial amount of substance A and Substance B.
Substance A
Substance B
b. What percent of each substance decays each day?
Substance A
Substance B

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

What graph represents an even function

Agroup of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?