What is the value of the variable that makes the statement true?

a + (-7) + 3=0

A. - 4

B.-3

C. 4

D. 7

Blake has a collectors' card that he bought for $42.00. The card is now worth $87.00. What is the percent of change in the value of the card? Round answers to the nearest percent.

The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions? Which of the following equations is used in the process of solving this problem? a. x^2 - 7x + 70 = 0 b. x^2 - 7x + 10 = 0 c. x^2 + 7x - 10 = 0

Which statement is true about the potential solutions for this equation? Both are extraneous solutions. Only x = - 1 is an extraneous solution. 3 is an extraneous solution. Neither solution is extraneous.

D/5=4 A. d=20 B. d=4/5 C. d=5/4

What is the product of (-6.8) ^2

I need a answer to this now! The ratio of blue to red chips is 4 to 3. The number of blue chips are doubled and now there are 15 fewer red than blue chips. How many red chips are there?

What is 37123 times 53

How do you decide which of two numbers is greater when: a) both numbers are positive b) both numbers are negative c) one number is positive and one number is negative

The table shows the number of cans of soup shipped in different numbers of boxes. Number of Boxes 2 4 9 Number of Cans of Soup 96 192 432 Which equation expresses the relationship between the number of boxes, b, and the number of cans, c?

Solve. (10+z) - 4=18 (10+z) - 4=18 Select the number from the drop-down menu to correctly complete the statement. The value of z is oh and i just want to say i pick my brainliest by the person who gives me the answer first and gets it right