Marty and stewart are stuffing envelopes with index cards. they are putting index cards in each envelope. when they are finished, marty has 15 stuffed envelopes and 4 extra index cards, and stewart has 12 stuffed envelopes and 6 extra index cards. write an expression in standard form that represents the number of index cards the boys started with. explain what your expression means. ( )

27x+10

Step-by-step explanation:

Let both the boys are putting 'x' index cards in each envelope.

then, The number of index cards Marty put=

And The number of index cards Stewart  put=

Now, the total number of index cards they have started with =

Hence, the total number of index cards they have started with =27x+10

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.

(2,6)

step-by-step explanation:

cause i just did this and got the answer

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