40% of the house plants were watered today. 320 house plants were watered. Which equation can be used to find how many plants there were? 40x = 320
0.40x = 320
x = 0.40(320)
x=0.40/320

What are the domain and range of the function? f(x) = -4 (sqrt)x

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units