What shows all like terms in this expression? 4x - 3 + 7x + 1

Like terms are those terms which have same variable to the same power.

In the given expression:

         .....[1]

here, x is the variable

by definition of like terms;

4x and 7x are like terms

Constant term 3 and 1 are also like terms;

then;

Combine like terms in [1] we have;

Simplify:

Therefore, we get the result

m a t h w a y. c o m

step-by-step explanation:

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.