An animal shelter spends $2.00 per day to care for each bird and $5.00 per day to care for each cat. maya noticed that the shelter spent $163.00 caring for birds and cats on tuesday. maya found a record showing that there were a total of 44 birds and cats on tuesday. how many birds were at the shelter on tuesday?

Which expression is equivalent to 2x^2+7x+4?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9