Find the value of cos Cos[cos^-1 (rad2/2) - pi/2}

diego is collecting dimes and nickels for penny war he has collected $22.25 this represented by the equations 0.10x + 0.05y = 22.25 select all the values that could be solutions

20a+12a-8 simplified

What is 820 decreased by 25%

John had 136 ml liquid medicine in the bottle. After John took some medicine, there was 119 ml liquid medicine left in the bottle. What was the percentage decrease in the volume of liquid medicine?

Converting rectangular equation to polar form X^2=y (8-y)

A sample of 3 different calculators is randomly selected from a group containing 17 that are bad and 36 that are good.

There is a balanced scale. On one side of the scale there are 5 spheres and 1 cube. On the other side of the scale there is 2 spheres and 3 cubes. The question is: If cubes weigh 150 grams each, how much do the spheres weigh?

Which of the following is NOT in the solution set of the inequality - 2g+3>-5g+5 Group of answer choices -6 0 -2 3

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In triangle ABC, BG = 24 mm. What is the length of segment GE?