13.2 Addition and Subtraction Inequalities Solve each inequality. Graph the solution. 4. C - 28 -32 5. + 17 20 6. Today's high temperature of 80'F is at least 16' warmer than yesterday's high temperature. What was yesterday's high temperature? 13.3.13.4 Multiplication and Division Inequalities Solve each inequality. Graph the solution. 7. 7 S 35 9 10 9.259 2 150 10. ​

Write the fraction or mixed number and the decimal shown by the model

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.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?