The length of a rectangular prism is four times the width. the height of the prism is 8 ft. if the volume of the prism is 160 ft3, what is the width of the prism? round to the nearest tenth of a foot.
a. 8.9 ft
b. 2.2 ft
c. 4.5 ft
d. 10.8 ft

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class