Solve by factorisation

2x2 + 3x - 20 = 0

A salad recipe calls for 1 3/4 cups of chopped tomatoes. The recipe calls for 4 1/7 times as many cups of lettuce as tomatoes. How many cups of lettuce do you need for this recipe? 4 1/7 cups 4 3/28 cups 7 1/4 cups 7 1/7 cups

What is the measure of each exterior angle of a regular 30-gon?

Find all the solutions of sec theta - 2 = 0. It says use "or" as necessary and gives an example of kpi.

A single year on Saturn is equal to 29.4 years on earth. About how many earth-years are equal to 3.2 years on Saturn?

Person a and person b shoot to the same target independently. person a hits the target with a probability of 0.8, while person b hits the target with a probability of 0.9. what is the probability that the target can be hit?

Where are the asymptotes for the following function located? f (x) = StartFraction 7 Over x squared minus 2 x minus 24 EndFraction x = - 4 and x = 6 x = - 4 and x = 7 x = 4 and x = - 6 x = 6 and x = 7

Today there are 3,659 thousand elementary and secondary teachers employed in a certain country. this number is expected to increase to 3,856 thousand by next decade. what is the percent increase?

For babysitting, Nicole charges a flat fee of $3, plus $10 per hour. Write an equation for the cost, C, after h hours of babysitting.

In particular month, Mr. Clark spent $900 on food which is 30% of his monthly salary. FInd his monthly salary

Add these numbers 1.36 ounces + 3.75 ounces + 2.62 ounces equals what