Identify major scientific figures and breakthroughs of the 20th century and assess their impact on contemporary life.

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.