How much must we invest now if we want to have $`a`,000 in fifteen years? Assume our investment will earn 7.3% APR compounded quarterly. Round your answer to the nearest cent. Do not include the dollar sign.   Interest Formula “Cheat Sheet” (click to reveal) \(F=P\left(1+\tfrac{r}{n}\right)^{nt}\) and \(F=Pe^{rt}\) Desmos (click to reveal)

What is the break-even quantity? Give your answer as a whole number of items, without units.

The cost of operating an ice cream stand is described by the function `fixed`+`variable`  dollars when ice cream cones are produced. Each ice cream cone sells for $`p`. What quantity of ice cream cones must the stand sell to break even? Round your answer to the nearest whole number.    Desmos (click to reveal)

From 1900 to 1912, the Olympic men’s winning pole vault height was \(H(t)=2t+130\) inches, where \(t\) is the number of years since 1900. Write a sentence of interpretation for the slope of \(H(t)\).

What is the mass (in grams) of 7.25 moles of acetic acid?  Use the Periodic Table. Show your work.

Write an equation for the linear function whose graph is shown above. Please give your answer in slope-intercept form.

What is the mass (in grams) of 6.51 x 1024 atoms of titanium?Use the Periodic Table. Avogadro’s number: NA = 6.022 x 1023 mol-1Show your work.

Indicate whether the following molecules/ions have dipole moments or not by putting “polar” or “nonpolar” in each blank. Use the VSEPR table as needed.  NO3-1 [BLANK-1] SF2 [BLANK-2] HCN [BLANK-3] Full VSEPR Table(1).jpg

Looking at the Lewis structure as shown for propanoic acid, answer the following questions: What is the molecular formula? [BLANK-1] What is the empirical formula? [BLANK-2] Note – the red and black colors have no meaning to us! propionic acid cropped.jpg

What is a mole in chemistry? Why are they needed?