Which expressions are correct for the situation? a. earl earns $18.00 per hour. in x hours, he earns x/$18 b. you buy one bagel for 0.80 and m bagels for 0.75 each. the total cost is 0.80 + 0.75m. c. the area of a rectangle that has a width of 8 units and a length of 2x units is 16x square units. d. leann is 6 inches taller than her younger sister whose height is x feet. the height of leann's little sister is x + 6. e. sara's piggy bank has $3 more than twice as much money as anna's bank. if anna has x dollars, sara has 2x + 6.

Nthe opening scene of the movie raiders of the lost ark, indiana jones replaces a golden statue with a bag of sand. the platform on which the statue is placed is designed to detect the mass of the statue. if the bag of sand has a different mass than the statue, then a mechanism triggers and destruction ensues. the density of gold is about 20\text{ g/cm}^320 g/cm 3 20, space, g, slash, c, m, start superscript, 3, end superscript. the density of sand can be estimated at 2.5\text{ g/cm}^32.5 g/cm 3 2, point, 5, space, g, slash, c, m, start superscript, 3, end superscript. the gold statue can be modeled as a cylinder with height 25\text{ cm}25 cm25, space, c, m and radius 8\text{ cm}8 cm8, space, c, m. in terms of \piπpi, what is the mass of sand indiana jones needs to avoid triggering the mechanism?

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Ratio of circumference to diameter example plz i need to now what it looks like.