An agriculture researcher wants to test the effect of nine soil additives by adding four at a time to different rows of the
same plant. how many different combinations can be tested?
756

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

What is the measure of sty in oo below? 130 310 230 50