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

Which are the solutions of the quadratic equation? x2 = - 5x - 3 - 5, 0 StartFraction negative 5 minus StartRoot 13 EndRoot Over 2 EndFraction comma StartFraction negative 5 + StartRoot 13 EndRoot Over 2 EndFraction StartFraction 5 minus StartRoot

For the decimal 0.555, the value of the digit in the tenths place is how many times as much as the value of the digit in the thousandths place?

Determine whether the polygons with the given vertices are congruent. support your answer by describing a transformation:

The number of a certain company's video stores can be approximated by the linear equation y=-264x+4682, where x is the number of years after 1990

The ratio of the number of boys to the number of girls at a school is 4.5. If there are 120 boys how many students are there altogether

The bottom of zeyda's jewelry box is a rectangle with length 5 3/8 inches and width 3 1/4 inches. What is the area of tge bottom of the jewelry box?

The median of data is 43.5 and the range is 35 what's the missing value explain. 52 48 60 x 36 25

Solve the equation x to the 2nd power=0.81 a-none of them b-x=0.9 only! c-x=0.9 or x = - 0.9 d-x = - 0.9 only!

Ally sold 5 oven toasters and 3 rice cookers for $500. If a rice cooker cost $20 less than an over toaster, find the cost of a rice cooker.

Over which interval is the graph of f (x) = -x^2+3x+8 increasing