In february, calvin's school used 4,920 pounds of rock salt to melt
ice on its sidewalks. one bag contains 40 pounds of rock salt.
choose yes or no to tell which of the following equations can be
used to find how many bags of rock salt, b, calvin's school used
in february
30a. 4,9206 = 40 yes no
30b. 40b = 4,920
30c. 4,920 + 40 =
b yes no
30d. 4,920 = b = 40
o yes
0 yes
no
o no

Measures of the angle of r, 31 s (x+4) t (3x+9)

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?