What should I make sure to remember about a variable with no coefficient?

A baker prepared 6 kilograms of dough after working 4 hours. How many hours did she do 20 dough

150 in the ratio 4:1

Alex is 1.6 m tall and Noah is 1.5 times as tall as Alex how much taller is Noah in cm

Solve Vp + 5% = for p.

How can you borrow fractions

Factor completely 9x^4y - 6x^3y^2 + 3x^2y^3. A-3x^2y (3x^2 - 2xy + y^2 B-3xy (3x^2 - 2xy + y^2 C-3xy^2 (3x^2 - 2xy + y^2 D-3x^2y (3x^2 + 2xy + y^2

Triangle X Y Z is shown. Angle X Z Y is a right angle. The length of Z X is b, the length of Z Y is a, and the length of hypotenuse X Y is c.

Salim and Asma are going to a fair to enjoy themselves. Their parents give Rs 49 and Rs 45 respectively as spending money. At the end of the day they have spent equal amounts, but one of them has 3 times as much money left as the other.

What are the factors of 24 and 40

Given f (x) = x + 5 and g (x) = 11x - 5, what is f (x) + g (x) ? A) 2x B) 11x C) 12x D) 55x - 25