:)

richard simplified an expression in three steps, as shown:

which is the first incorrect step and why?

options below : )

a) step 1, all the exponents are multiplied by 3
b) step 2, the exponents in the denominator are multiplied
c) step 3, the exponents of the same base are subtracted during division
d) step 3, the exponents of the same base are added during division

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

Find the area of an equilateral triangle with a side of 6 inches

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172