How to change this mark-

I got 35 out to of 40 in SST, how do I convert the mark out of 80?

With explaination

World class male sprinters run 100 meters in about 10 seconds. Express this as a unit rate.

5/17 = v/4 round your answer to the nearest tenth

The room is 12 feet by 8 feet. what is the side measure of the largest square tile that you can use to cover the whole floor so there is no overlap or cutting?

When 30% of a number is added to the number, the result is 130.

Jane Doe determines she can afford a maximum of $100 per month for life insurance. If she finds a policy with yearly premiums of $5.00 per unit ($1,000), what maximum amount of insurance can Jane afford to buy? $500,000 $120,000 $240,000 $50,000

An amount of $49,000is borrowed for 13 years at 7.25% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back? Use the calculator provided and round your answer to the nearest dollar.

Is the gcf of two even numbers always even?

What is x=1-4y in slope - intercept form

Cory is making a poster of common geometric shapes. He draws a square with a side of length 4 3 cm, an equilateral triangle with a height of cm, a circle with a circumference of 8π cm, a rectangle with length cm, and a parallelogram with base 3.

What is the worst thing to make in pottery class