If 30% of John's photographs were perfect, but 210 photographs were not perfect, then how many photographs were there in all?

Determine the average of the following test scores: 97,99,87,89

Ms. morgan bought 3.5 pounds of bananas at $0.51 a pound and 4.5 pounds of pineapple at $1.19 a pound. how much did she pay for the bananas and pineapple?

A man pays only $60 for an item which originally sells for $100. What percent of the original price does the man pay for the item?

Find the median of the following data. 67%, 52%, 73%, 80%, 50%, 94%, 75%, 86%

How many ways can we add three non negative integers to get n?

Round 76,902 to the nearest one thousand

Makayla already has $45 dollars in her savings account. If she puts $15 per week in her account, how many weeks can she save to have at least $120 in her account? Select all that apply: A) 15 B) 45 C 60 D) 61 E) 65 F) 75

32 cans of coke cost a total of $8.96. what is the cost per can? let c represent the cost for one can of coke

A fluid moves through a tube of length 1 meter and radius r=0.002±0.00015 r=0.002±0.00015 meters under a pressure p=3⋅10 5 ±2000 p=3⋅105±2000 pascals, at a rate v=0.5⋅10 - 9 v=0.5⋅10-9 m 3 m3 per unit time.

Which statement about the Golden Age of Islam is a fact rather than an opinion? A. Islamic art was more abstract than Greek art. B. Muslims were the best early mathematicians. C. Islamic society preserved Greek and Roman culture. D.