The temperature at noon was 88°f. By 4 p. M., the temperature was 27°f. Determine the constant rate of change of the temperature.

Jade solved the following equation: 3 + 5x - 7 = 3x - 9 Step Work Justification 1 5x + 3 - 7 = 3x - 9 Commutative property of addition 2 5x - 4 = 3x - 9 Addition property of equality 3 2x - 4 = - 9 Subtraction property of equality 4 2x =

A plane's average speed is 600 km/h. If the trip takes 2.5 h, how far does the plane fly?

For a laboratory assignment, if the equipment is working, the density function of the observed outcome x is f (x) = 2 (1 - x), 0

The ratio of pennies to dimes I have is 3:5. I have a 2:3 ratio of dimes to quarters. If I have 75 quarters, how many pennies do I have? A. 30 pennies B. 48 pennies C. 50 pennies D. 72 pennies

Skype charges a caller $.30 per minute to call a landline in Cambodia. How many minutes could a caller talk if they only had $21.00 to spend?

Alec made a scale drawing of the auditorium. He used the scale 1 inch = 2 feet. If the stage is 26 inches in the drawing, how long is the actual stage?

A farmer sells 7.7 kilograms of apples and pears at the farmer's market. 3 4 of this weight is apples, and the rest is pears. How many kilograms of pears did she sell at the farmer's market?

Which of the following constants can be added to x2 + x to form a perfect square trinomial? a. 1/9 b. 4/9 c. 4 1/9

Find the value of t. Write your answer as a decimal number. 88.65 t 88.75 on a number line?

What is the difference between a standard normal distribution and a nonstandard normal distribution? Choose the correct answer below. A.