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?

What two numbers multiply to get 45 but add to get - 12

What is the maximum r-value for the polar equation r = - 3 + 5 sin theta a. 8 b. 5 c. 2 d. 3

An amusement park changes admission plus a fee for each ride. Admission plus two rides cost $10. Admission plus five rides cost $16. What is the charge for admission and the cost of a ride?

Andrea uses 9.8 pints of blue paint to paint her bedroom walls. 2/5 of this amount is blue paint, and the rest is white paint. How many pints of white paint did she use to paint her bedroom walls?

Twice the difference of a number and 3 is the same as 1 added to three times the number. Find the number.

Which type of statement has the form " if A, then B"?

Fine two consecutive even integers such that twice the smaller is 26 more than the larger.

The ratio of zebras to elephants at the zoo is 6:5. The ratio of Gorillaz two zeros is 7:2. There are 30 zebras at the zoo. How many elephants are there? How many gorillas are there

A telephone number consists of seven digits, the first three representing the exchange. how many different telephone numbers are possible within the 537 exchange? the answer is.

Kenny's weight is 6/7 times Melvin's weight. How many times the total weight of the two boys in Kenny's weight?