For every 2 hours that Tina spends studying, she often spends 10 hours on the phone. If Tina spent 65 hours on the phone, how many would you expect her to spend studying

13 hours

Step-by-step explanation:

65/5= 13

13

65/10=x/2

ANSWER...

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58