Some one determine the sum: (9r3s2t − 4r2s2t2 − 6rs2t3) + (−4r3s2t + 8rs2t3). a. 3r10s10t10 b. −r3s2t + 4rs2t3 c. 5r6s4t2 − 4r2s2t2 + 2r2s4t6 d. 5r3s2t − 4r2s2t2 + 2rs2t3

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation