1) how many significant digits are there in the sum of 45.10 and 102.203?
a) 3
b) 4
c) 5
d) 6
2) a common speed at which adults roll bowling balls is 15 mi/h. 15 mi/h is equivalent to how many feet per second?
a) 0.045
b) 15
c) 22
d) 1320
3) the approximate number of calories c an animal needs each day is given by a c= 72m 3/4 , where m is the animal's mass in kilograms . how many calories does an 81 kilogram adult male need each day?
a) 216 calories
b) 1944 calories
c) 4374 calories
d) 5832 calories
4) how many significant digits are there in 0.07010?
a) 2
b) 3
c) 4
d) 5

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

Mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.