2 complementary angles are in the ratio 7:8. find the angles

If 2a - 8 = 4 and 3b - 8 = 10, what is the value of a + b?

420-351=me and you if you know what I mean. Solve it and u will really know what I mean.

Simplify the following expression. 11 - X 7

Alice collected stamps for 7 weeks. She counted the number of stamps in her collection every week. By week 2, there had been 7 stamps collected. How many stamps did Alice collect between week 5 and week 7? A. 5 B. 6 C. 17 D. 22

The length of an Airbus A300 aeroplane is 54 m. The ratio of the length of this aeroplane to its wingspan is 6 : 5 Work out the wingspan of the aeroplane

Which equation can be used to find the volume of the cylinder? A cylinder with a radius of 4 inches and height of 16 inches. V = (4) squared (16) V = pi (4) squared (16) V = pi (8) squared (16) V = pi (16) squared (4)

A locker combination has two nonzero digits, and digits can be used twice. The first number is 8. What is the probability that the second number is 8? A. 1/9 B. 1/8 C. 7/8 D. 8/9

What is 5263 * 10^-3? A. 5.263 B. 52.63 C. 526.3 D. 526,300

Which is bigger 12cm or 98mm

Josefina surveyed 298 students and found that 52% like scary movies. estimate the number of students that like scary movies.