If the average grade of an English class rose from 70to85 what is the approximate percent increase

A The percent increase is 14%

B The percent increase is 17%

C The percent increase is 21%

D The percent increase is 35%

An earthquake of magnitude 3.0 is $10^2$ times stronger than an earthquake of magnitude 1.0. An earthquake of magnitude 8.0 is $10^7$ times stronger than an earthquake of magnitude 1.0. How many times stronger is an earthquake of magnitude 8.

A deck of playing cards were dealt equally among four players. Each player received 13 cards. How many cards are in a deck? Let c represent the number of cards in the deck.

There are six rows 18 chairs in each row in the center of the chairs for four rows of six chairs are brown the rest of the chairs are blue how many chairs are blue

Evan plant grass in a rectangular space behind the clubhouse tea area is 70 and the space is 14 feet

Ally saved 60 percent of the cost for a cell phone. If she saved $105, what is the cost of the phone?

Who is the 18 president of the United States

Zack says that the probability of rolling a number less than 4 on a six-sided number cube is 4/6. Valeria says that the probability is 3/6. Who is correct? Explain.

The unit price of hot dogs is $0.50/hot dog. How much will 12 hot dogs cost?

The formula to convert °F to °C is C = 5/9 (F - 32). 50°C = 122 °F Why do you multiply 50 by the reciprocal of 5/9

Yan is climbing down a ladder. Each time he descends four rings on the ladder, he stops to see how much farther he has to go. Which word in the problem indicates that a negative integer should be used 1 : Climbing 2: Stops 3: Descends 4: Farther