lucas and mateus have been collecting coins they find on the ground. lucas has $3.23 and mateus has $2.87. how much less money does he have then lucas. ( in cents )

  36¢

Step-by-step explanation:

$3.23 -2.87 = $0.36 = 36¢

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"How much less" one number is than another is found by finding their difference. That is, you do a subtraction. If you can't do this in your head, your calculator can help. There are 100 cents in one dollar.

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

probably the last option

step-by-step explanation: