In a housing estate the direct proportion of flats to houses is 2:5. If there are 80 flats, how many houses are there?

You purchased a baseball card for $8 when you were 10 years old. The value of the card increased by 5% each year. Write an exponential model that gives the value y (in dollars) of the card t years after you purchased it.

Does the size and shape of all transformations (translations, reflections, rotations and dilations) remain the same after each move across the coordinate plane?

Factrise 25x2_10271_369

G (n) = 3n+2 f (n) = 2n^2 + 5 Find (g+f) (n) Let n = 7

What is the smallest number you can make with 5, 7, 9

Seven less than the sum of p and t is as much as 6

Indicate the general rule for the arithmetic sequence with a3 = - 4 and a8 = - 29.

Can someone pelase solve the problem through long devision and show your work

Find the approximate side length of a square game board with an area of 164 in2

For what values of x is √x+3 defined?