Which structure below is the correctly-drawn LewisDot structure for N_(2) ? (C) (D) :N-=N : N-=N : A B C D

Work out the value of x in the equ (1)/(8^(17))=8^(x)

Fully simplify 8x+5y+3+3y-3x

What two values can d have if d^(2)=9 ?

A rectangle and a square are joined together to make a larger rectangle with a perimeter of 40cm . If the square has an area of 49cm^(2) , what is the area of the original rectangle? Give your answer in cm^(2) .

The ratio of black cars to green cars in a car park is 71:53 . Rewrite this as an equivalent ratio of the form n:1 . Give any decimals in your answer to 2 d.p.

Calculate (3)/(4)+(2)/(5) . Give your answer as a mixed number.

Solve 13=3x-5 x=dots

a, CIM gitr code be som lwän diverg AA x A=4x^(2)y+x^(2)-6x+13+4xy

Write 2(2)/(6) as an improper fraction. Give your answer in its lowest terms.

Complete the numerator to write 1(3)/(5) as an improper fraction. Mixed number: 1(3)/(5) Improper fraction: (2])/(5)