A skate that normally costs $72.80 is on sale for 0.75 of the cost. What is the discount?

Work out 85% of £30?

A certain radioactive isotope has a half life of 6 hours. The starting amount is 100 grams. Write an exponential function to model this scenario. How much of the isotope remains after 12 hours?

Alyssa wants to build a fence around her garden to keep deer and rabbits out. the length of the fence must be at least 50 ft, but she only has 140 ft for entire perimeter

A deposit of $9,500 is made into a savings account which earns 5 1/10% interest compounded semi-annually. If no additional deposits or withdrawals are made, which amount is the total balance at the end of 4 years? A) $11,620.07 B) $11,634.

The distance between 3 - 1/4 and - 1 3/4

Graph the equation y = 0.5x

What is the equation of the parabola with vertex (4, 4) and focus (7, 4) ?

What is the radius of a circle whose equation is (x - 7) 2 + (y - 10) 2 = 4? 2 units 4 units 8 units 16 units

You deposit $1240 in a savings account paying 4.2% interest. How much interest will you earn in six years

Were only 64 seats. The remaining 6 students had to travel in a separate van. The equation 2b + 6 = 70 represents the given scenario.