Translate "the sum of nine and a number is four" into an equation and solve.

9+x=4

Step-by-step explanation:idk how to explain just trust me

4= 9+x x=-5

Step-by-step explanation: The numbers are put into a standard equation. 4 goes on the left side and since it is sum of 9 and another number which means addition and will be on the right side

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

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