A model aeroplane is made to a scale of 1:50. If the span of the wings of the model is 30 cm, what is the actual length of the span of the aircrafts wing?

In another state, all license plates consist of from four to six symbols chosen from the 26 letters of the alphabet together with the ten digits 0-9. a. how many license plates are possible if repetition of symbols is allowed? b.

Find the required annual interest rate to the nearest tenth of a percent for $1100 to grow to $1900 if interest is compounded quarterly for 10yr. The required annual interest rate is _%?

In a group of 30 people, 10 drink milk but not tea 5 drink tea but not milk and 13 drink neither tea nor milk. find how many people drink both tea and milk.

Do you use the pythagorean theorem to find the side of a wquilateratriangle

Two events are disjointed. Find P (A or B), if P (A) = 1/7 and P (B) = 3/7. 1/7 3/7 4/7 2/7

Which number is its own opposite

Simplify 4-6+2x-9x-8

Evaluate. 6+5|4-3^2| A. - 19 C. 31 D. 55

Gene McDonald's bank granted him a single-payment loan of $5,000 for 90 days at 9% exact interest. What is the amount of exact interest owed?

How to solve a composite figure