Answer:
the 1st one
next
the 3rd one
Step-by-step explanation: edg 2020
10= -4 + x x=14 because you do the opposite of the sign you see in this case its a plus sign so you subtract -4 from ten and since the 4 is a negative and your subtracting you would add 4 I know this probably didn't help it sounds really confusing but I have hope that it did :)
64x2y2 the twos are powers of ten so you put them up top.
Answer:
x=12
Step-by-step explanation:
-5= x/2.4
multiply both sides by 2.4 to isolate x
-5*2.4= (x/2.4)*2.4
12=x
Answer:
20 nickels
23 dimes
Step-by-step explanation:
hope this helps!