Demi and Juan start saving money for their vacation. Demi starts with $50 and saves $20 each week; Juan started with only $35, but saves $25 each week. a. Write expressions for Demi and Juan that represents the amount they saved in w weeks.

b. If their vacation is in 4 weeks, who will have more money?

Extension: Write the expression that represents their combined total. Write an expression that represents the difference the amount Juan and Demi have.
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Find the zeros of each function. f(x) = x^2 + 5x - 6

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?

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?