13. a jeweler is making a triangular
pendant. he has two sides of
length 23 mm and 31 mm.
what are the possible lengths
(in whole mm) for the third side?
a. 8 mm or less
b. between 9 mm and 53 mm
c. 54 mm or more
d. not possible

someone me with this asap

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Acompany makes steel lids that have a diameter of 13 inches. what is the area of each lid? round your answer to the nearest hundredth

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?