the triangle in this question is not drawn accurately. Use Pythagoras theorem to explain why triangle a must be a right angle

Solve the inequality and graph 6j - 7 < 5

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

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.