Which of the following inequalities matches the graph? (1 point) graph of an inequality with a solid vertical line through the point (7, 0) and shading to the left of the line x greater than or equal to −7 x less than or equal to −7 y less than or equal to −7 y greater than or equal to −7

Measures of the angle of r, 31 s (x+4) t (3x+9)

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.

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is