If it takes Joan 10 weeks to make 2 dollhouses, how long will it take her to make 15 dollhouses? 10 points
A. 75 weeks
B. 3 weeks
C. 30 weeks
D. 150 weeks

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z