The results of a test are normally distributed. A particular student scores 57, which is 1.4 standard deviations below the mean. If the mean is 68, then what is the standard deviation? Hint: Use the formula for z-score. Round your answers to three decimals.

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

What’s 8y+48 and factor each expression completely

Proportions in triangles solve for x