Mr. See weights his grades. Tests are worth 60%, quizzes are worth 25% and homework is 15%. Joey’s test average is an 82, his quiz average is a 77, and his homework average is a 98. What is Joey’s current grade?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

2.5 milligrams is equivalent to how many grams

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.