The Flagpole in Fig. PI. 41 has two sections, AB and BC. The angles α and β, measured at D at a distance of 50 m from the pole, are 40° and 30°, respectively. Find the heights a&b of the two sections of the pole.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Luis has a cooler filled with cans of soda.for every 5 cans of coke there are 3 cans of sprite.if there are 25 cans of coke, how mant cans of sprite are there?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2