The line graph shows calvin's saving account balance at the end of each month for 6 months. about how much more money did calvin have in his account at the end of june than at the end of february

Calvin has $100 more at the end of June than at the end of February.

Step-by-step explanation:

Consider the provided graph line graph.

From the line graph it can be observed that, the saving account balance of Calvin in the end of February is around $175.

The saving account balance of Calvin in the end of June is around $275.

Refer the figure 1.

Now to find how much more money did Calvin have in his account at the end of June than at the end of February simply subtract the greater number from the smaller.

275

- 175

 100

Hence, Calvin has $100 more at the end of June than at the end of February.

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

i = 2 / - 5

step-by-step explanation:

evaluation of ( 2 - 4 ) ( p + q ) when p = 2 and q = 5 i, by putting values of p and q,