B. Write an expression for the
number of border tiles needed
to surround a pool L feet long
and W feet wide.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°