Does "and " in a math problem mean add?

Mason drives 136 miles with 8 gallons of gas. How far can he drive with one gallon of gas?

Of 150 random customers, 63 ordered ham, 73 ordered turkey, and the rest ordered rast beef. Based upon the results, hownmany of the next 75 customers would yu expect to order roast beef?

There are 4 red cars and 6 blue cars parked in the car park at bens work place. On a transporter lorry travelling along side Ben on the motorway, there are 5 cars, 3 of which are red. In which situation is red most likely?

Becky is an experienced swimmer. The table contains data on her times in the 100-meter freestyle event for each year over the past six years.

Give the place value of the 9 in 19,000,000,000

A batch of 330 samples of rejuvenated mitochondria contains 6 that are mutated (or defective). Two are selected from the batch, at random, without replacement.

What is the equation form of a pure quadratic? a. ax^2+bx=0 b. ax^2+c=0 c. ax^2+bx=c d. ax^2+c=bx

The horsepower, H (s), required for a racecar to overcome wind resistance is given by the function : H (s) = 0.003s^2+0.07s-0.027, where (s) is the speed of the car in miles per hours.

Is 20, 10, 9 a triangle

What is 248 rounded rounded to the nearest tenth